I like it, a nice example of how you can run with an idea and get something cool out the other end quickly using today's frameworks etc.
But where are the kittens?
But where are the kittens?
So here is my take on it, 10 minutes!
http://paste.lisp.org/display/78367
P.S. how does one post code in HN?
(Indent three spaces for code.)