Sales is this cure all for this problem. Get people to give you their credit card and I guarantee you they're actually interested.
Emmett ShearThe crucial people to get your product started for the first 6 months are not who will be using it 3 years later.
Emmett ShearThe other mistake I think people make is talking to who's available rather than talking to who they need to talk to.
Emmett ShearThe instant they say something you don't expect or already know, you should drop into detective mode.
Emmett ShearMost startups are not just built for the person who is using them. When you do that, every now and then you get really lucky and... are representative of some huge class of people who all want the same thing you do... but very often that just turns into a side project that doesn't go anywhere.
Emmett Shear