None of these are wrong or unhelpful, but it's telling that not one of them touches on the market's pain points, a notion of what problems customers are budgeting dollars to solve, or even really a notion of what things people will pay for.
>To me, an idea is a good excuse to go out and talk to customers.<p>I really like that point. When any idea comes to mind that seems worthy of a possible startup I immediately start to talk to potential customers to get feedback. If I can convince random people to believe in my idea before I even put effort towards it, it is probably worth pursuing.<p>My favorite test to evaluate my idea is the $20 Starbucks test. <a href="http://read.bi/gnVYKv" rel="nofollow">http://read.bi/gnVYKv</a>