It probably doesn't matter whether someone hears about your ideas, actually. It's tremendous hubris and a non sequitur to think that someone will overhear your

It probably doesn't matter whether someone hears about your ideas, actually. It's tremendous hubris and a non sequitur to think that someone will overhear your idea, immediately think it's fantastic, and go and start a successful company based on that, leaving you totally unable to act. "Don't worry about people stealing your ideas. If your ideas are any good, you'll have to ram them down people's throats." Ideas aren't "worthless" but there's tons to building a successful company besides building the right product for the right audience at the right time.