openid and google would be handy, but that's just me, not sure on the masses. Will sign up for watp and get started. Tiles have a creative element, scarcity an

openid and google would be handy, but that's just me, not sure on the masses. Will sign up for watp and get started. Tiles have a creative element, scarcity and a time constraint. I always wind up getting hyper competitive and tearing through as many as I can in a session. It's an evil crack-like substance for arty types.