I wish I could tell you the recipe for figuring out who the target user is for your product and who your users should be, but... there isn't a recipe. It comes down to think really hard and use your judgement to figure out who you're really building this for.
Emmett ShearSales is this cure all for this problem. Get people to give you their credit card and I guarantee you they're actually interested.
Emmett ShearA goal of Twitch is to be wherever gamers are, whether its on laptops and handheld devices or integrated into gaming consoles and software.
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