S2S teaching platforms starts to influence learning environments around 2022
Grader A: hit
Grader B: hit
agrees with A, without seeing its verdict
Audit: confirmed
in the fixed audit sample (D11)
Published: hit
Grader A: hit
Brainly, a peer-to-peer homework Q&A network, reported 250M monthly users by May 2020; reached well before Y.
Test: at least 5% of students used peer-to-peer learning platforms by 2024
Grader B: hit
Brainly, a peer-to-peer Q&A learning network where students answer other students, reached 200-250M monthly users in 2020, a large share of school-age students in its markets.
Test: At least 5% of students used peer-teaching platforms by 2024 (earlier counts).