Bangaly Kaba, former Head of Growth at Instagram, breaks down the multi-layered growth mechanics behind Instagram's early virality.
Insight
Declining cohort retention curves signal adjacent users adopting a product
“And one of the ways you start to see the adjacent users starting to adopt the product, especially with the data, is you start seeing cohort curves decline, right? You start seeing the people who sign up today Three or six months from now, they're signing up an…”
Insight
Strong communicators often outpace better executors in career advancement
“I think communication is the one that tends to be the most impactful, and you see this in a lot of ways, right? You see this with people who are poor executors, but incredible communicators, and they seem to continue to rise and rise because, like, you know, t…”
Assertion Not checkable as stated
Instagram's growth teams maintained a 60% to 70% experiment win rate
“I remember when I left Instagram, this is many years ago, but we had like, had 15 teams and we might've been running 12 to 20 experiments, a quarter a team. And I would say probably 60 to 70% of them were like positive and shippable, which is incredible.”
Assertion Not checkable as stated
Instagram's onboarding funnel had zero step-level logging in 2016
“When I joined Instagram in January, 2016, believe it or not, the onboarding, the, like the signup flow at Instagram had literally no logging to it. It had logging of how many people started and how many people ended.”
Opinion
YouTube lacked Instagram's shared mental model for product craft
“Instagram had just this fantastic culture of thinking about how do we ship high, high quality products, right? And what does product craft mean? And so that is something that, you know, I came to YouTube and my teams particularly, they didn't have a mental mod…”
Assertion Not checkable as stated
Instagram's user retention doubled in 18 months after prioritizing friend connections
“And so that connection pivot was critical. It changed, it literally angle changed the retention on Instagram. And so if you, like, Google Instagram growth, there was, like, a tech crunch article about Instagram's growth that, you know, I think, 2017, 20 18, wh…”