The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

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why aren't all 12 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Partly supported
Khan: 15 to 60 minutes weekly on Khan Academy prevented COVID learning loss
“What we saw in twenty-twenty-one is that the students who put in an average of 15 minutes on Khan Academy a week in a school setting, they actually saw no COVID learning loss, And that students who put in 30 to 60 minutes, they accelerated almost 40% faster th…”
Sal Khan Jul 27, 2023 ▶ 2:46 When AI is your personal tutor with Sal Khan of Khan Academy
Prediction Held up
Khan: Immersive AI 'holodeck' simulations are 3 to 5 years away
“You know, there's a world now where you can talk to historical characters, and we're probably three to five years away where you could share a room with Benjamin Franklin or Julius Caesar or Cleopatra and immerse yourself. It'll, it'll be literally the holodec…”
Sal Khan Jul 27, 2023 ▶ 34:50 When AI is your personal tutor with Sal Khan of Khan Academy
Assertion Partly supported
Google and the Gates Foundation each granted Khan Academy $2 million in 2010
“And by fall of 2010, both the Google and the Gates Foundation each gave about two million dollars. So we had a four million dollar initial funding for that first two years to hire up a team, internationalize, and start scaling Khan Academy.”
Sal Khan Dec 8, 2025 ▶ 1:01:06 Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)
Assertion Partly supported
Khan: Khan Academy costs $60M to $70M annually to operate
“It costs On the order of 60, seventy million a year to run Khan Academy, both to, you know, just our server costs are six, seven million dollars a year, and then obviously all of the engineers, et cetera”
Sal Khan Jul 27, 2023 ▶ 25:43 When AI is your personal tutor with Sal Khan of Khan Academy
Assertion Supported
Philanthropist Ann Doerr wired Sal Khan $100,000 to cover his living expenses
“I'm driving into my driveway, and I get a text message from Ann, and it says, you really need to be supporting yourself. I've just wired you a 100,000 dollars.”
Sal Khan Dec 8, 2025 ▶ 53:10 Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)
Assertion Supported
The College Board pays Khan Academy to create free SAT prep
“Over time, the relationship has evolved where they actually pay us resources to create free test prep which is, you know, that's the type of revenue I love because it's, it helps sustain us, but it's free to the student.”
Sal Khan Dec 8, 2025 ▶ 1:08:28 Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)
Assertion Supported
Khan Academy reached hundreds of thousands of regular users by 2009
“And by 2007, 2008, it was in the tens of thousands of people. And by 2009, it was in the hundreds of thousands of people were using it on our, on a regular basis.”
Sal Khan Dec 8, 2025 ▶ 36:12 Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)
Assertion Supported
Khan: Khan Academy daily usage surged from 30M to 90M minutes in March 2020
“Our traffic went from about thirty million learning minutes per day to about ninety million learning minutes per day, pretty much within that week.”
Sal Khan Jul 27, 2023 ▶ 1:29 When AI is your personal tutor with Sal Khan of Khan Academy
Assertion Contradicted
Khan Academy had hundreds of thousands of regular users by 2009
“By fall of 2009, there were several 100,000 folks who were using The stuff I was making on a regular basis.”
Sal Khan Sep 21, 2020 ▶ 42:58 Khan Academy: Sal Khan
Assertion Partly supported
Sal Khan personally produces almost all Khan Academy math and science videos
“Now, you know, we don't have a lot of folks making videos. I still make A lot of them. I pretty much make all of the math and science video. And then we have a few other folks who are doing some history videos and some language arts videos.”
Sal Khan Sep 21, 2020 ▶ 1:09:11 Khan Academy: Sal Khan
Assertion Partly supported
Google and the Gates Foundation granted $4M to Khan Academy in 2010
“And by fall of 2010, both the Google and the Gates Foundation each gave about two million dollars. So we had a four million dollar initial funding for that first two years to hire up a team, internationalize, and start scaling Khan Academy.”
Sal Khan Sep 21, 2020 ▶ 1:04:10 Khan Academy: Sal Khan
Assertion Partly supported
Sal Khan still creates nearly all Khan Academy math and science videos
“I pretty much make all of the math and science video, and then we have a few other folks who are doing some history videos and some language arts videos.”
Sal Khan Dec 8, 2025 ▶ 1:05:23 Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)
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