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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.

clear all ✕
2statements match
2resolved → 0open claims → 0supported → 2contradicted →

why aren't all 2 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 Contradicted
Von Ahn: Duolingo captures 90% of mobile language app users
“If you take all people who are learning languages on mobile apps, 90% of them are using Duolingo.”
Luis von Ahn May 1, 2025 ▶ 4:42 Advice Line with Luis von Ahn of Duolingo
Assertion Contradicted
Von Ahn: Duolingo has 50x users and 5x revenue of Rosetta Stone
“By now, I would say we probably have 50 times more uses than they do. Our revenue is probably five X their revenue.”
Luis von Ahn Dec 18, 2023 ▶ 1:04:00 reCAPTCHA and Duolingo: Luis von Ahn (2020)
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