How to Figure Out Who's Coming to a Conference (Before the Conference)

Conferences don't tell you who's attending until you show up. Which is strange, because knowing who's there is often more valuable than the talks themselves. You want to know if your potential customers are going, if that investor will be around, if it's worth the flight and hotel. But conference organizers guard attendee lists. Like, they really really don't want you to see them. Terms of…