https://news.ycombinator.com/item?id=30416562
Not to mention the probably literally hundreds of past threads asking some variation of this over the years. C'mon people, chances are you're not going to randomly ask "what problem do you need solved" on HN and come up with your next billion dollar idea. I mean, yeah, it could happen, but I'd encourage you to get out of the echo chamber and talk to people IRL, or at least on other forums.