Right, the idea is only a small part of the equation, actually getting it to a state that people like it is the other. These ideas are probably simply the most

Right, the idea is only a small part of the equation, actually getting it to a state that people like it is the other. These ideas are probably simply the most popular startup ideas. Which means they also fail the most. Or simply, no one got them right yet. For example, Dropbox became a big hit where a helluva lot of online drives and sync services failed before.