There are two types ideas: 1. ideas which improve the current broken system (blogs, wiki, youtube, dropbox, etc.) 2. ideas which admits that the current syste

There are two types ideas: 1. ideas which improve the current broken system (blogs, wiki, youtube, dropbox, etc.) 2. ideas which admits that the current system is broken and just to try to ride on that wave (mighty app, random "fix you wet iPhone", and numerous other failed ones) The second type of ideas are just are "bad" regardless of how crazy they are. But they will make some money.