It's enough work just to find people to use your product. Why waste any effort checking out competitors? They'll find you if they're significant. One tip thoug

It's enough work just to find people to use your product. Why waste any effort checking out competitors? They'll find you if they're significant. One tip though: use http://usertesting.com http://usertesting.com to do head-to-head comparisons between your product and the competitors'. It's eye-opening, and money well spent.