Brent was Director of Engineering at card.io, recently acquired by PayPal. He previously led software at Sifteo, co-founded Taco Lab, and wrote weird social contract systems and lewd icon repositories at the MIT Media Lab.
I've added a more relevant video demo now since the twitter auth has mysteriously broken on nodejitsu's servers.
In the long run we'd like to be able to have "rooms" for players to compete in private groups, as well as difficulty levels. Unfortunately in the time we had it wasn't feasible.
Glad you liked it though!