[TheThinkTank] How do I register for the conference in Guadalajara?

I've been on the website for months now looking for a registration button and still don't see one. How do I register for the Bike!Bike! 2015 conference in Guadalajara? How does one sign up to do a session, see what sessions are being proposed? How do I find out whether I need to rent a room or not? Where is all the info? I'm lost.

-Ashanti