{"id":"clm_5C7069B8DE53","entity":"quizlet","predicate":"founded","value":"2005","value_json":{"note":"Several sources say Quizlet was founded in 2005 by Andrew Sutherland. The public launch was in January 2007, so 2007 is the launch year, not the founding year.","check":{"on":"2026-10-30","url":"https://www.edsurge.com/news/2015-11-23-bootstrapped-since-2005-quizlet-raises-12-million-to-reach-1-billion-learners","pages":1,"quote":"Founded in 2005 by Andrew Sutherland, then a 15-year-old student, Quizlet has been generating revenue since launch.","outcome":"checked"},"verified":"2026-10-29","replaces_withdrawn":"clm_0739C3B3D943"},"valid_from":"2005-01-01","valid_to":null,"published":"2015-11-23","recorded":"2026-10-29","confidence":0.6,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-29T20:56:49.982259+00:00","updated_at":"2026-10-30T01:22:14.884572+00:00","sources":[{"url":"https://www.edsurge.com/news/2015-11-23-bootstrapped-since-2005-quizlet-raises-12-million-to-reach-1-billion-learners","tier":"secondary","publisher":"edsurge.com","published_at":"2015-11-23T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-10-30","quote":"Founded in 2005 by Andrew Sutherland, then a 15-year-old student, Quizlet has been generating revenue since launch.","url":"https://www.edsurge.com/news/2015-11-23-bootstrapped-since-2005-quizlet-raises-12-million-to-reach-1-billion-learners"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{"unverified":"Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it."},"checked_by":{"page-read":"its source page states the value and the date"}}}