If you now someone who can/want also use your product, ship early versions to them. Even screenshots. If not, try to find these users, and ship to them :) I th

If you now someone who can/want also use your product, ship early versions to them. Even screenshots. If not, try to find these users, and ship to them :) I think, early fear of shipping is a symptom of uncertainty "will someone need this product?" You should try to find this someone as soon as possible, and get feedback from them.