And this is why we can't have nice things :) It's impossible to know with 100% accuracy if a great idea will be possible or not. This is one of the reasons why

And this is why we can't have nice things :) It's impossible to know with 100% accuracy if a great idea will be possible or not. This is one of the reasons why I like the Lean Startup stuff so much, where you can be honest (with yourself, at least) about doing just enough to prove if something is possible/marketable/whatever before investing years and millions into it.