Luis von Ahn: Massive-scale online collaboration #TED http://t.co/b2D4vjdP 0 atbildes
Peter (2011-12-09 01:11:09) |
Luis von Ahn: Massive-scale online collaboration #TED http://t.co/b2D4vjdP |
Peter (2011-12-09 01:11:09) |
Luis von Ahn: Massive-scale online collaboration #TED http://t.co/b2D4vjdP |