Hacker News stories for 12 PM on Friday Aug 10, 2012

0.695 Google-An update to our search algorithms - Copyright Related comments

0.547 So long, silicon: Researchers create solar panels from cheap copper oxide comments

0.409 OpenNews: 24 Hours to Choose Your Own Adventure. comments

0.079 Avatars.io (W12) serving 500K avatars a day, 10MM served in first month comments