You can always figure out how to deliver things in somewhat controlled situations, but when you start to get into the reality of the market you start to figure out what isn't going to work.
Scott D. AnthonyFirst you document your idea. You should be comprehensive, but that doesn't mean you have to produce a doctoral thesis length plan. Rather you want to make sure you have touched all the different things that have to happen to succeed. Then, you evaluate your approach. The goal here isn't to figure out if your idea is good or bad, but rather to begin to figure out what are some of its weakest elements.
Scott D. AnthonyIt's one of the underappreciated skills required by an innovator - they have to be able to convince lots of people to do things that might not be fully rational (invest in the company, join something that is likely to fail, try a product they've never seen before), and if you can't tell a good story it is just very hard to make that happen.
Scott D. Anthony