Revision history of "Luis von Ahn on Massive-Scale Online Collaboration"

Jump to navigation Jump to search

Diff selection: Mark the radio boxes of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

  • curprev 05:25, 20 July 2013Mbauwens talk contribs 652 bytes +652 Created page with " = video via http://www.ted.com/talks/luis_von_ahn_massive_scale_online_collaboration.html =Description= " After re-purposing CAPTCHA so each human-typed response helps digi..."