This is what ananova has to say..
"The word Facebook has made it into the dictionary.
It has been included in the 2008 edition of the Collins English Dictionary as both a noun and a verb.
Facebook lets users have a personal webpage where they can contact friends and display pictures.
"Pimp" and "poke" have new definitions in the dictionary related to Facebook.
The dictionary defines "pimp" to make your page more attractive and "poke" is defined as getting someones attention.
According to The Sun a Collins' spokesman said: "Facebook has been the phenomenon of 2007, with 200,000 signing up every day."
