> What matters is that your product lets people do something that they couldn't do before - or in the case of blog entries that it teaches them something they d

> What matters is that your product lets people do something that they couldn't do before - or in the case of blog entries that it teaches them something they didn't know already. Hard if you don't really know who your audience really is, e.g. if you're selecting projects based on market opportunity vs. having a skin in the game yourself.