If you want to sign, hurry cause it ends today :) The location I'm going to is full but I think you can still sign up just in case somebody else cancels. Also some have age restrictions, eg 18+, you have to do a search for a location in your area and then check out their page.
Yes, you can use whatever tools the team agree to.
Damn, 196 that's HUGE. I thought Vancouver was going to take the crown with 162, I think they've been biggest in the past but 196 is just crazy
Let us know what it's like! I'm going to bring my camera and take lots of regular pictures and screenshots of progress.