Google had a nice one back in 2004 also: http://articles.businessinsider.com/2011-07-22/tech/30049105_1_innovation-problem-website http://articles.businessinsid

Google had a nice one back in 2004 also: http://articles.businessinsider.com/2011-07-22/tech/30049105_1_innovation-problem-website http://articles.businessinsider.com/2011-07-22/tech/30049105... But probably wouldn't work so good today. The first one to find the solution would probably post it on twitter, then the recruiters could follow :)