Well believe it or not, but the Oxford English Corpus has included 3000 new words.
See here for the Oxford press release:
http://www.askoxford.com/pressroom/archive/odelaunch/
And here's a complete list:
http://www.askoxford.com/pressroom/archive/odenewwords
Jee, I wonder how much space the entire Oxford English Dictionary would take on my memorystick