Seeing my product used motivates me the most, even if it's only a handful of beta testers. Pushing updates that improve the experience is even more satisfying.

Seeing my product used motivates me the most, even if it's only a handful of beta testers. Pushing updates that improve the experience is even more satisfying. I would say, get something out of the door asap and make it easy to give you feedback right from within your app/service.