There have been several ideas lists posted on Hacker News already. Here are a few: https://spreadsheets.google.com/ccc?key=tOGIddn3rPdqKbHWsqaWbiw&hl=en_GB#gi

There have been several ideas lists posted on Hacker News already. Here are a few: https://spreadsheets.google.com/ccc?key=tOGIddn3rPdqKbHWsqaWbiw&hl=en_GB#gid=2 https://spreadsheets.google.com/ccc?key=tOGIddn3rPdqKbHWsqaW... http://news.ycombinator.com/item?id=2756270 http://news.ycombinator.com/item?id=2756270 (post is titled Startup Ideas July 2011)