| 20% | “20%” | Srini: A 4% mortgage pays off only ~8% principal in 5 years | Laks Srini | Dec 11, 2019 | Partly supported |
| 4% | “four percent” | Srini: A 4% mortgage pays off only ~8% principal in 5 years | Laks Srini | Dec 11, 2019 | Partly supported |
| 8% | “eight percent” | Srini: A 4% mortgage pays off only ~8% principal in 5 years | Laks Srini | Dec 11, 2019 | Partly supported |
| 25% | “25%” | Srini: ZeroDown customers earn 0.25% monthly home equity towards purchase | Laks Srini | Dec 11, 2019 | — |
| 15% | “15%” | Srini: ZeroDown customers earn 0.25% monthly home equity towards purchase | Laks Srini | Dec 11, 2019 | — |
| 2.4M | “a 1.4 million” | Srini: ZeroDown qualifies buyers in minutes and delivers keys in seven days | Laks Srini | Dec 11, 2019 | Supported |
| 75% | “75%” | Srini: Roughly 75% of ZeroDown customers buy homes within three weeks | Laks Srini | Dec 11, 2019 | — |
| 15% | “15%” | Srini: ZeroDown is cheaper than renting after factoring in purchase credits | Laks Srini | Dec 11, 2019 | — |
| 75% | “75%” | Cutts: Around 75% of USDS personnel joined under the Trump administration | Matt Cutts | Dec 4, 2019 | Not publicly verifiable |
| 0% | “0.0000001%” | Doctorow: Facebook targets behavioral correlates, not mind control | Cory Doctorow | Nov 27, 2019 | — |
| 1K | “a thousand” | Over 1,000 YC Startup School companies are in hard tech or biotech | Jared Friedman | Sep 20, 2019 | Not publicly verifiable |
| 10× | “10 x” | Hard-tech YC applicants have a 10x higher acceptance rate than others | Jared Friedman | Sep 20, 2019 | — |
| $10M | “ten million dollars” | Astranis built its first test telecommunications satellite for under $50,000 | Jared Friedman | Sep 20, 2019 | Supported |
| 5× | “five X” | Hu: Niantic's employee headcount grew at least 5x year-over-year | Diana Hu | Aug 28, 2019 | Contradicted |
| 30% | “30%” | Alströmer: DoorDash maintains 20% monthly user retention after 20 months | Gustaf Alströmer | Aug 15, 2019 | Not publicly verifiable |
| 21% | “21%” | Alströmer: DoorDash maintains 20% monthly user retention after 20 months | Gustaf Alströmer | Aug 15, 2019 | Not publicly verifiable |
| 20% | “20%” | Alströmer: DoorDash maintains 20% monthly user retention after 20 months | Gustaf Alströmer | Aug 15, 2019 | Not publicly verifiable |
| 80% | “80%” | Alströmer: GitHub retains 80% of users after month one and 30% after five years | Gustaf Alströmer | Aug 15, 2019 | — |
| 30% | “30%” | Alströmer: GitHub retains 80% of users after month one and 30% after five years | Gustaf Alströmer | Aug 15, 2019 | — |
| 1% | “One percent” | Alströmer: Only 1% to 2% of Airbnb homepage visitors reached booking page | Gustaf Alströmer | Aug 15, 2019 | — |
| 2% | “two percent” | Alströmer: Only 1% to 2% of Airbnb homepage visitors reached booking page | Gustaf Alströmer | Aug 15, 2019 | — |
| 40% | “40%” | Alströmer: Custom share sheet outperformed native iOS sheet by 40% at Airbnb | Gustaf Alströmer | Aug 15, 2019 | — |
| 2.6% | “2.6%” | Alströmer: Mandatory signup wall increased Airbnb iOS bookings by 2.6% | Gustaf Alströmer | Aug 15, 2019 | — |
| $1.5M | “a half million dollars” | Reno: Feather raised $3M to $3.5M post-YC | Jay Reno | Aug 14, 2019 | — |
| 90% | “90%” | Adora Cheung: Tracking one primary metric outweighs juggling multiple variables | Adora Cheung | Aug 1, 2019 | — |
| 91% | “91%” | Adora Cheung: Tracking one primary metric outweighs juggling multiple variables | Adora Cheung | Aug 1, 2019 | — |
| 100% | “hundred percent” | Adora Cheung: No single metric tells 100% of a startup's story | Adora Cheung | Aug 1, 2019 | — |
| 90% | “90%” | Adora Cheung: No single metric tells 100% of a startup's story | Adora Cheung | Aug 1, 2019 | — |
| 200% | “200%” | Adora Cheung: Top YC Demo Day startups grow 5% to 10% weekly | Adora Cheung | Aug 1, 2019 | — |
| 50% | “50%” | Adora Cheung: Top YC Demo Day startups grow 5% to 10% weekly | Adora Cheung | Aug 1, 2019 | — |
| 10% | “10%” | Adora Cheung: Top YC Demo Day startups grow 5% to 10% weekly | Adora Cheung | Aug 1, 2019 | — |
| 1B | “a billion” | Adora Cheung: 1% weekly growth means a startup lacks billion-dollar potential | Adora Cheung | Aug 1, 2019 | — |
| 1% | “one percent” | Adora Cheung: 1% weekly growth means a startup lacks billion-dollar potential | Adora Cheung | Aug 1, 2019 | — |
| 20% | “20%” | Migicovsky: Ask for user phone numbers at signup to clarify data anomalies | Eric Migicovsky | Jul 25, 2019 | — |
| 1B | “a billion” | Hale: Great investors imagine billion-dollar paths and pitch them back | Kevin Hale | Jul 25, 2019 | — |
| 99% | “99%” | Hale: 99% of YC-Funded Founders Lack a True Founder Unfair Advantage | Kevin Hale | Jul 25, 2019 | — |
| 100M | “a hundred million” | Hale: Sole reliance on paid acquisition fails as scale attracts competitors | Kevin Hale | Jul 25, 2019 | — |
| 81% | “81%” | Nahm: 81% of Lever's engineering team was proactively sourced | Sarah Nahm | Jul 10, 2019 | — |
| 35% | “35%” | Nahm: Pre-nurtured candidates get hired 35% faster than cold applicants | Sarah Nahm | Jul 10, 2019 | — |
| 30% | “30%” | Hale: 2018 Startup School produced over 60 accepted YC companies | Kevin Hale | Jul 3, 2019 | — |
| 83% | “83%” | Hale: 63% of 2018 Startup School participants were solo founders | Kevin Hale | Jul 3, 2019 | — |
| 52% | “52%” | Hale: 63% of 2018 Startup School participants were solo founders | Kevin Hale | Jul 3, 2019 | — |
| 48% | “48%” | Hale: 63% of 2018 Startup School participants were solo founders | Kevin Hale | Jul 3, 2019 | — |
| 63% | “63%” | Hale: 63% of 2018 Startup School participants were solo founders | Kevin Hale | Jul 3, 2019 | — |
| 59% | “59%” | Hale: 63% of 2018 Startup School participants were solo founders | Kevin Hale | Jul 3, 2019 | — |
| 11B | “a ten billion” | Hale: Investors Cannot Accurately Predict Which Startups Reach $10B | Kevin Hale | Jul 3, 2019 | — |
| 100M | “hundred million” | Hale: Needing over 10% market share for $100M revenue is implausible | Kevin Hale | Jul 3, 2019 | — |
| 10% | “10%” | Hale: Needing over 10% market share for $100M revenue is implausible | Kevin Hale | Jul 3, 2019 | — |
| 9× | “nine times” | Hockenmaier: 90% of growth advising is talking founders out of ideas | Dan Hockenmaier | Jun 26, 2019 | — |
| 5% | “five percent” | Hockenmaier: A 5% activation boost usually beats a 20% acquisition lift | Dan Hockenmaier | Jun 26, 2019 | — |
| 20% | “20%” | Hockenmaier: A 5% activation boost usually beats a 20% acquisition lift | Dan Hockenmaier | Jun 26, 2019 | — |
| 100M | “a hundred million” | Hockenmaier: Scaling to $100M revenue typically requires one dominant channel | Dan Hockenmaier | Jun 26, 2019 | — |
| 80% | “80%” | Hockenmaier: Scaling to $100M revenue typically requires one dominant channel | Dan Hockenmaier | Jun 26, 2019 | — |
| 1% | “one percent” | Alströmer: Airbnb boosted total revenue by over 1% by extending session length | Gustaf Alströmer | Jun 26, 2019 | — |
| 10% | “10%” | Alströmer: Only 10% of Airbnb homepage visitors had booking intent | Gustaf Alströmer | Jun 26, 2019 | — |
| 5% | “five percent” | Hockenmaier: Monetization experiments require long-term five percent holdout groups | Dan Hockenmaier | Jun 26, 2019 | — |
| 50% | “50%” | Alströmer: Word of mouth drove over 50% of Airbnb guests and 70% of hosts | Gustaf Alströmer | Jun 26, 2019 | — |
| 70% | “70%” | Alströmer: Word of mouth drove over 50% of Airbnb guests and 70% of hosts | Gustaf Alströmer | Jun 26, 2019 | — |
| 75% | “75%” | Rossmann: Up to 75% of elite university students have wealthy parents | Jeremy Rossmann | Jun 19, 2019 | Supported |
| 20% | “20%” | Rossmann: Up to 75% of elite university students have wealthy parents | Jeremy Rossmann | Jun 19, 2019 | Supported |
| 1% | “one percent” | Rossmann: Up to 75% of elite university students have wealthy parents | Jeremy Rossmann | Jun 19, 2019 | Supported |
| 5% | “five percent” | Rossmann: MOOCs have an industry standard completion rate of 2% to 5% | Jeremy Rossmann | Jun 19, 2019 | Supported |
| 95% | “95%” | Rossmann: MOOCs have an industry standard completion rate of 2% to 5% | Jeremy Rossmann | Jun 19, 2019 | Supported |
| 20% | “20%” | Rossmann: Silicon Valley IPO wealth flows primarily to the top 20% | Jeremy Rossmann | Jun 19, 2019 | — |
| 90% | “90%” | Rossmann: 90% of Make School students choose full Income Share Agreements | Jeremy Rossmann | Jun 19, 2019 | — |
| 1B | “a nine hundred million” | Young: PlanGrid achieved a $900 million acquisition outcome | Tracy Young | Jun 12, 2019 | Partly supported |
| 98% | “98%” | Young: Pre-mobile software missed the field, where 98% of work happens | Tracy Young | Jun 12, 2019 | — |
| $20B | “twenty billion dollars” | Young: Outdated plans cause $20B in annual US construction waste | Tracy Young | Jun 12, 2019 | Supported |
| 1B | “one billion” | Second Measure sees 1B unique descriptions across 50B+ transactions | Michael Babineau | May 29, 2019 | — |
| 3M | “three million” | Raw credit card data contains three million different transaction representations for Macy's | Michael Babineau | May 29, 2019 | — |
| 1.5M | “half a million” | Meesho has nearly 500,000 monthly active social store owners | Vidit Aatrey | May 22, 2019 | — |
| 90% | “90%” | Vidit Aatrey: 90% of Indian commerce occurs in mom-and-pop stores | Vidit Aatrey | May 22, 2019 | Supported |
| 90% | “90%” | 90% of Meesho users are women and 80% live in smaller cities | Vidit Aatrey | May 22, 2019 | Partly supported |
| 80% | “80%” | 90% of Meesho users are women and 80% live in smaller cities | Vidit Aatrey | May 22, 2019 | Partly supported |
| 70% | “70%” | Aatrey: 70% of Meesho users are housewives | Vidit Aatrey | May 22, 2019 | — |
| 10% | “10%” | Typical Meesho resellers earn $150 to $200 monthly | Vidit Aatrey | May 22, 2019 | — |
| 39% | “39%” | Gill: Audio recall lasts 36% longer than visual media | Jonathan Gill | May 15, 2019 | Contradicted |
| 1K | “a thousand” | Halligan: HubSpot was wrong to assume businesses would accept basic website templates | Brian Halligan | May 8, 2019 | — |
| 10M | “ten million” | Halligan: HubSpot generates 10 million visitors monthly via SEO | Brian Halligan | May 8, 2019 | — |
| 10× | “10 times” | Halligan: Modern startups win via 10x better go-to-market, not product | Brian Halligan | May 8, 2019 | — |
| 50% | “50%” | Halligan: HubSpot is growing R&D spend by 50% annually | Brian Halligan | May 8, 2019 | Supported |
| 1K | “a thousand” | Jarvis Johnson: YouTube channel growth occurs in temporary wave-like surges | Jarvis Johnson | May 1, 2019 | — |
| $1.3M | “a quarter million dollars” | Allred: Lambda School grads are financially $250K ahead of university peers | Austen Allred | Apr 3, 2019 | — |
| 85% | “85%” | Allred: Lambda School graduates more than 85% of its starting students | Austen Allred | Apr 3, 2019 | Contradicted |
| $100M | “a hundred million dollars” | Allred: Google spent $100 million in compensation to retain Sundar Pichai | Austen Allred | Apr 3, 2019 | Supported |
| 50% | “50%” | Allred: Only 50% of people who bought his $100 book downloaded it | Austen Allred | Apr 3, 2019 | — |
| 1K | “a thousand” | Brownlee: MKBHD grew steadily over 1,000 videos without a viral inflection point | Marques Brownlee | Mar 21, 2019 | — |
| 90% | “90%” | Brownlee: Engine sound is overrated for the vast majority of car buyers | Marques Brownlee | Mar 21, 2019 | — |
| 1K | “a thousand” | Brownlee: Advanced creator strategy lacks how-to guides or clear answers | Marques Brownlee | Mar 21, 2019 | — |
| 95% | “95%” | Brownlee: Publishing content at 95% is better than delaying for 99% | Marques Brownlee | Mar 21, 2019 | — |
| 99% | “99%” | Brownlee: Publishing content at 95% is better than delaying for 99% | Marques Brownlee | Mar 21, 2019 | — |
| 50% | “50%” | Brownlee: YouTube ads are 50% of revenue, while sponsors are 20% | Marques Brownlee | Mar 21, 2019 | — |
| 20% | “20%” | Brownlee: YouTube ads are 50% of revenue, while sponsors are 20% | Marques Brownlee | Mar 21, 2019 | — |
| 1% | “one percent” | Knoop: Platforms are viable when 1% of revenue could be a business | Mike Knoop | Mar 6, 2019 | — |
| 50M | “fifty million” | Knoop: Zapier had reached $50M in annual recurring revenue by 2019 | Mike Knoop | Mar 6, 2019 | Supported |
| 90% | “90%” | Hale: Pausing Wufoo discussions after 15 minutes resolved 90% of issues naturally | Kevin Hale | Mar 6, 2019 | — |
| 50% | “50%” | Knoop: Goal setting should be split 50/50 between top-down and bottom-up | Mike Knoop | Mar 6, 2019 | — |
| 40% | “40%” | Hale: Wufoo spent up to 40% of development time on internal tools | Kevin Hale | Mar 6, 2019 | — |
| 100% | “hundred percent” | Knoop: In-person retreats build interpersonal empathy necessary for text-heavy remote teams | Mike Knoop | Mar 6, 2019 | — |
| 99% | “99%” | Hale: Companies over-optimize for serendipitous chance encounters instead of focused execution | Kevin Hale | Mar 6, 2019 | — |
| 5× | “five times” | Saroya: Stylekick had 400,000 active users by its third YC interview | Karn Saroya | Feb 27, 2019 | — |
| 3× | “three times” | Saroya: Stylekick had 400,000 active users by its third YC interview | Karn Saroya | Feb 27, 2019 | — |
| 1M | “a million” | Saroya: Stylekick grew to 1 million active users through influencer marketing | Karn Saroya | Feb 27, 2019 | — |
| 10× | “10 times” | Saroya: Pure lead-gen businesses are not durable long term | Karn Saroya | Feb 27, 2019 | — |
| 3.2M | “3.2 million” | Cover Raised $3.2 Million Seed Around YC Demo Day | Karn Saroya | Feb 27, 2019 | Partly supported |
| 1% | “A percent” | Berkshire Hathaway Class B Stockholders Get an 8% Geico Discount | Karn Saroya | Feb 27, 2019 | Supported |
| $6M | “six million dollars” | Cover.com Would Have Cost $5M–$6M After Series B or C | Karn Saroya | Feb 27, 2019 | — |
| 50% | “50%” | Hoover: Product Hunt Grew 50% Month-over-Month Leading Into YC Application | Ryan Hoover | Feb 15, 2019 | — |
| 1M | “a million” | Hoover: Andreessen Horowitz preemptively led Product Hunt's Series A during YC | Ryan Hoover | Feb 15, 2019 | — |
| 1.5M | “half a million” | Caldwell: Coinbase struggled to raise and secured only about $500,000 | Dalton Caldwell | Feb 15, 2019 | Supported |
| 5% | “five percent” | Caldwell: Consumer startups make up only about 5% of YC's portfolio | Dalton Caldwell | Feb 15, 2019 | Contradicted |
| 50% | “50%” | Hoover: At most 50% of products on Product Hunt are consumer | Ryan Hoover | Feb 15, 2019 | Supported |
| 50% | “50%” | Observing a startup ship rapidly for two weeks drives Hoover's investment decisions | Ryan Hoover | Feb 15, 2019 | — |
| 10% | “10%” | Poppy's steady monthly growth missed high-growth venture capital marketplace expectations | Avni Patel Thompson | Jan 30, 2019 | — |
| 20% | “20%” | Poppy's steady monthly growth missed high-growth venture capital marketplace expectations | Avni Patel Thompson | Jan 30, 2019 | — |
| 2M | “two million” | Patel Thompson stretched Poppy's two million dollar funding across three years | Avni Patel Thompson | Jan 30, 2019 | — |
| 100% | “hundred percent” | Patel Thompson rejected pivoting Poppy into a profitable, high-priced boutique agency | Avni Patel Thompson | Jan 30, 2019 | — |
| 15B | “fifteen billion” | Chinese families spend 15% of income on supplemental education versus US's 2% | Cindy Mi | Jan 16, 2019 | Partly supported |
| 15% | “15%” | Chinese families spend 15% of income on supplemental education versus US's 2% | Cindy Mi | Jan 16, 2019 | Partly supported |
| 2% | “two percent” | Chinese families spend 15% of income on supplemental education versus US's 2% | Cindy Mi | Jan 16, 2019 | Partly supported |
| 3× | “three times” | VIPKID has grown to more than 60,000 teachers | Cindy Mi | Jan 16, 2019 | Supported |
| 50% | “50%” | Cindy Mi: VIPKID reduced one-on-one tutoring costs for parents by over 50% | Cindy Mi | Jan 16, 2019 | Supported |
| 90% | “90%” | Khosla: 90% of VCs add no value, 70% add negative value | Vinod Khosla | Jan 9, 2019 | — |
| 70% | “70%” | Khosla: 90% of VCs add no value, 70% add negative value | Vinod Khosla | Jan 9, 2019 | — |
| 1K | “a thousand” | Khosla: Every part of GDP can achieve 100% to 1,000% resource improvements | Vinod Khosla | Jan 9, 2019 | — |
| 10% | “10%” | Khosla: Every part of GDP can achieve 100% to 1,000% resource improvements | Vinod Khosla | Jan 9, 2019 | — |
| 1M | “a million” | Lantz: Universal Paperclips was played by one million or more people | Frank Lantz | Dec 20, 2018 | Supported |
| 15% | “15%” | AptDeco successfully raised its marketplace transaction fees from 10–15% to 19–29% | Reham Fagiri | Dec 14, 2018 | Supported |
| 29% | “29%” | AptDeco successfully raised its marketplace transaction fees from 10–15% to 19–29% | Reham Fagiri | Dec 14, 2018 | Supported |
| 70% | “70%” | Dennis: Just seven US furniture brands drive 65–70% of AptDeco's sales | Kalam Dennis | Dec 14, 2018 | — |
| 50% | “50%” | Dennis: Word-of-mouth drives 45–50% of AptDeco customer acquisition | Kalam Dennis | Dec 14, 2018 | — |
| 1M | “a million” | Dennis: Warehousing inventory breaks the used furniture marketplace business model | Kalam Dennis | Dec 14, 2018 | — |
| 100% | “100%” | Susskind: Quantum teleportation provides security impossible with classical protocols | Leonard Susskind | Dec 6, 2018 | Supported |
| 1B | “a billion” | Kortina: Investors burned over $1B to subsidize Venmo peer-to-peer transactions | Andrew Kortina | Nov 20, 2018 | — |
| 50% | “50%” | Donohue: App downloads drove 40% to 50% of Instapaper's revenue | Brian Donohue | Nov 14, 2018 | — |
| 15% | “15%” | Donohue: Apple's Free App promo beat Instapaper's prior two-year downloads | Brian Donohue | Nov 14, 2018 | — |
| 16% | “16%” | Donohue: Only 16% of Instapaper URLs appeared on Pinterest on day one | Brian Donohue | Nov 14, 2018 | — |
| 80% | “80%” | Donohue: Only 16% of Instapaper URLs appeared on Pinterest on day one | Brian Donohue | Nov 14, 2018 | — |
| 50% | “50%” | Werner Vogels: Median latency is useless; engineers must optimize the 99th percentile | Dr. Werner Vogels | Nov 11, 2018 | — |
| 50M | “fifty million” | Werner Vogels: Major investments must materially move the Amazon balance sheet | Dr. Werner Vogels | Nov 11, 2018 | — |
| 95% | “95%” | Werner Vogels: 95% of AWS features are direct customer requests | Dr. Werner Vogels | Nov 11, 2018 | — |
| 98% | “98%” | Altman: Vast Majority of People Try to Discourage High Ambition | Sam Altman | Nov 8, 2018 | — |
| 90% | “90%” | Altman: Taking random meetings pays off despite 90% being wasted time | Sam Altman | Nov 8, 2018 | — |
| 80M | “eighty million” | Collin: Front reached 110 employees and $80M raised with zero finance staff | Mathilde Collin | Oct 24, 2018 | — |
| 3× | “three X” | Collin: A first sales rep must generate 3x to 6x their compensation | Mathilde Collin | Oct 24, 2018 | — |
| 6× | “six X” | Collin: A first sales rep must generate 3x to 6x their compensation | Mathilde Collin | Oct 24, 2018 | — |
| 10× | “10 X” | Collin: A first sales rep must generate 3x to 6x their compensation | Mathilde Collin | Oct 24, 2018 | — |
| 50× | “50 X” | Buchheit: Wufoo angel investment returned roughly 50x | Paul Buchheit | Oct 24, 2018 | — |
| 1K | “a thousand” | Buchheit: Focus is a startup's ultimate weapon against tech incumbents | Paul Buchheit | Oct 24, 2018 | — |
| 100% | “100%” | Buchheit: Focus is a startup's ultimate weapon against tech incumbents | Paul Buchheit | Oct 24, 2018 | — |
| 20% | “20%” | Gil: Compounding 20% monthly organic growth on small bases signals PMF | Elad Gil | Oct 18, 2018 | — |
| 95% | “95%” | Gil: The most successful startups succeed regardless of their investors | Elad Gil | Oct 18, 2018 | — |
| $1B | “a billion dollars” | Gil: Repeat founders excluding prior investors signals a red flag | Elad Gil | Oct 18, 2018 | — |
| $1M | “A million dollars” | Paystack raised a Series A round from Stripe and Visa | Shola Akinlade | Oct 16, 2018 | — |
| $20M | “twenty million dollars” | Paystack hit $20 million in monthly volume three years after YC | Shola Akinlade | Oct 16, 2018 | — |
| 2% | “two percent” | Less than two percent of Nigerian consumer spending uses cards | Shola Akinlade | Oct 16, 2018 | Partly supported |
| 10× | “10 X” | Engineering challenges require seasoned mentors who have seen problems firsthand | Shola Akinlade | Oct 16, 2018 | — |
| 1B | “a billion” | Critics mocked Paystack for challenging a 14-year-old, $1B incumbent | Shola Akinlade | Oct 16, 2018 | — |
| $2M | “two million dollars” | Migicovsky: Oculus' iterative hardware approach beat Magic Leap's secretive, mega-funded R&D | Eric Migicovsky | Oct 12, 2018 | — |
| 2% | “Two percent” | Migicovsky: Top investors prefer startups targeting small initial markets | Eric Migicovsky | Oct 12, 2018 | — |
| 80% | “80%” | Migicovsky: Top investors prefer startups targeting small initial markets | Eric Migicovsky | Oct 12, 2018 | — |
| 90% | “90%” | Hua: 90% of California cannabis dispensaries are mom-and-pop shops | David Hua | Oct 11, 2018 | — |
| 80% | “80%” | Ning: 80% of US cannabis historically came from California | Vincent Ning | Oct 11, 2018 | Partly supported |
| $3B | “three billion dollars” | Hua: California adult-use sales will hit $3B while medical collapses | David Hua | Oct 11, 2018 | Partly held up |
| 1.5B | “half a billion” | Hua: California adult-use sales will hit $3B while medical collapses | David Hua | Oct 11, 2018 | Partly held up |
| 33% | “33%” | Hua: 67% of California lacks local regulations, blocking state cannabis permits | David Hua | Oct 11, 2018 | Supported |
| 67% | “67%” | Hua: 67% of California lacks local regulations, blocking state cannabis permits | David Hua | Oct 11, 2018 | Supported |
| 90% | “90%” | Ning: Over 90% of transactions for cannabis distributor Nabis are cash | Vincent Ning | Oct 11, 2018 | — |
| 30% | “30%” | Hua: San Francisco requires a 30% social equity workforce for cannabis | David Hua | Oct 11, 2018 | Contradicted |
| 13M | “a twelve million” | Ralston: Setting too high a valuation cap can kill a fundraising round | Geoff Ralston | Oct 10, 2018 | — |
| 3M | “three million” | Ralston: Dropbox raised its first round at a $2M-$3M valuation | Geoff Ralston | Oct 10, 2018 | Supported |
| 8M | “eight million” | Ralston: The average YC startup seed valuation cap exceeds $8M | Geoff Ralston | Oct 10, 2018 | Supported |
| 90% | “90%” | French-Owen: 90% of Node shops run code written by TJ Holowaychuk | Calvin French-Owen | Oct 10, 2018 | — |
| 3× | “three times” | Gootee: Non-technical co-founders make excellent early QA testers | Ralph Goody | Oct 10, 2018 | — |
| 10× | “10 times” | Iorns: Scientific experiments often have 10x price differences for equivalent results | Elizabeth Iorns | Oct 3, 2018 | — |
| $100B | “a hundred billion dollars” | Iorns: The pharmaceutical industry controls over $100B in annual outsourced research spend | Elizabeth Iorns | Oct 3, 2018 | Supported |
| 10× | “10 times” | Iorns: Amgen's Migraine Drug Outperformed Market Predictions by 10x | Elizabeth Iorns | Oct 3, 2018 | Contradicted |
| 80% | “80%” | Collison in 2018: Over 80% of US adults bought from Stripe merchants | Patrick Collison | Oct 3, 2018 | — |
| 70% | “70%” | Collison in 2018: Over 80% of US adults bought from Stripe merchants | Patrick Collison | Oct 3, 2018 | — |
| 40% | “40%” | Forty percent of Front users utilize both shared and individual inboxes | Mathilde Collin | Oct 3, 2018 | — |
| 10× | “10 X” | Changing user email habits requires a 10x better value proposition | Mathilde Collin | Oct 3, 2018 | — |
| 10× | “10 X” | Mathilde Collin: Google Inbox was not 10x better than Gmail | Mathilde Collin | Oct 3, 2018 | — |
| 1M | “one million” | PR and content marketing drove Front to $1M in ARR | Mathilde Collin | Oct 3, 2018 | — |
| 1K | “a thousand” | PR and content marketing drove Front to $1M in ARR | Mathilde Collin | Oct 3, 2018 | — |
| 20% | “20%” | As of 2018, Front's workforce was 80% San Francisco and 20% Paris | Mathilde Collin | Oct 3, 2018 | — |
| 80% | “80%” | As of 2018, Front's workforce was 80% San Francisco and 20% Paris | Mathilde Collin | Oct 3, 2018 | — |
| 90% | “90%” | Mathilde Collin: Slack cannot replace email for external business communication | Mathilde Collin | Oct 3, 2018 | — |
| 90% | “90%” | Modernized interfaces could keep workers in their inbox 90% of the time | Mathilde Collin | Oct 3, 2018 | — |
| 1.5M | “1.5 million” | Front hit product-market fit at Series A with $1.5M ARR | Mathilde Collin | Oct 3, 2018 | Supported |
| 95% | “95%” | Founders anchor on rare praise and ignore overwhelming negative feedback | Mathilde Collin | Oct 3, 2018 | — |
| 1K | “a thousand” | Schwartz: 1,000-word product descriptions capture more search traffic | Eli Schwartz | Sep 27, 2018 | — |
| 200% | “200%” | Schwartz: Startups should target 100% to 200% SEO traffic growth | Eli Schwartz | Sep 27, 2018 | — |
| 20% | “20%” | Schwartz: Startups should target 100% to 200% SEO traffic growth | Eli Schwartz | Sep 27, 2018 | — |
| 100% | “hundred percent” | Tyler Bosmeny sold Clever full-time before the product was even built | Tyler Bosmeny | Sep 26, 2018 | — |
| 2.5% | “2.5%” | Bosmeny: Only 2.5% of companies will buy from an unproven startup | Tyler Bosmeny | Sep 26, 2018 | — |
| 70% | “70%” | Bosmeny: Top Salespeople Listen 70% of the Time on Calls | Tyler Bosmeny | Sep 26, 2018 | — |
| 30% | “30%” | Bosmeny: Top Salespeople Listen 70% of the Time on Calls | Tyler Bosmeny | Sep 26, 2018 | — |
| $1K | “a thousand dollars” | Bosmeny: High-Touch Sales Is Unsustainable for Low-Priced Products | Tyler Bosmeny | Sep 26, 2018 | — |
| 10M | “ten million” | Bosmeny: High-Touch Sales Is Unsustainable for Low-Priced Products | Tyler Bosmeny | Sep 26, 2018 | — |
| 100% | “100%” | Cannon: Zapier's early content mistakenly targeted Hacker News over actual customers | Craig Cannon | Sep 19, 2018 | — |
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