When people tell me about their idea today, I generally start with just a few questions: Are you teaching anyone who looks like someone who would buy what you intend on selling? If not, why not? Why don’t you start a blog today targeting a typical customer and start posting 500 words every three days?
Read more at https://medium.com/@natekontny/a-litmus-test-for-your-idea-43fb44eda1c5#.b2e01u83h