A chapter from the Idea Validation and Prototyping Article
Before you build anything, you should do your homework. This may seem like a drag, but it will actually save you huge amounts of time and money down the road. In the bluntest terms: you need to make sure that your idea will interest people enough to bring you money. Maybe your idea came on like a bolt of lightning, and you feel the world should be exposed to it as soon as possible. Still, validate.