According to TechCrunch, Facebook will be available at certain corporations much on the same terms (for users) as it is at universities; that is, users with an email address ending in a certain way can network with others. Say email@example.com would be in the microsoft.com facebook if such a network were to exist for microsoft.com.
Will Facebook have the same impact in a company as it does at a university?
The only instruction sheet left in my room at the Colegio Mayor Cardenal Cisneros told me about meal times and following that was a warning in four languages (Spanish, English, French and German):
Our visiting professors are kindly requested not to stay in short trousers, swimming trunks or tracksuits in common areas of the Colegio Mayor. We appreciate your collaboration.
Visitors must be received only in the lobby or in the Bar.