It depends on why you go. If you expect to learn really high-level stuff, you're going to be disappointed. If you expect to learn the basics for something you

It depends on why you go. If you expect to learn really high-level stuff, you're going to be disappointed. If you expect to learn the basics for something you never thought about or heard of, it's a gold mine. If you expect to meet lots of people who are interesting, well, you'll get out of it what you put into it. You have to put yourself forward, or you won't meet anyone. But if you do, there are some awesome people there.