- Why has Reddit not switched to reCAPTCHA? http://www.ted.com/talks/luis_von_ahn_massive_scale_online_collaboration.html 13 comments technology
- Massive Scale Online Collaboration -- TED talk by Luis von Ahn http://www.ted.com/talks/luis_von_ahn_massive_scale_online_collaboration.html 13 comments technology
Linking pages
- Beeban Kidron: 'We need to talk about teenagers and the internet' | Documentary films | The Guardian http://www.theguardian.com/film/2013/sep/08/beeban-kidron-inreallife-interview-teenagers 120 comments
- Playing, Earning, Working, and Learning - by Nick deWilde https://junglegym.substack.com/p/playing-earning-working-learning 1 comment
- How to design a game to teach creativity | by Angad Singh | Medium https://medium.com/@preetangad/how-to-design-a-game-to-teach-creativity-dc90abe8e486#.d2c3m9cnt 0 comments
- The evolution of those annoying online security tests - BBC News http://www.bbc.co.uk/news/magazine-18367017 0 comments
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