I met a few people. The friendliest was Bob, the Trek rep for area 106. His blog is at area106.typepad.com. He posted a picture of me there. I copied it here:

I stayed until 3. By then I was tired and hungry and falling a lot. I ordered a pizza, which was really good.
I really needed a lock to be able to leave my things locked in place. As it was, I kept going back and forth to the car.