Google’s annual Developers conference, Google I/O, is happening in in late May. Though you’ve got plenty of time before you need to be in San Francisco, registration for the event opens today (actually about an hour ago!). In the past, you’d be scrambling to get yourself a ticket, but those days are gone. Rather than the stampede it once was, the event invitations are now lottery-based, which at least eases server strain. If you want to attend, here’s what you need to do.