from the antisocial-networking dept.
An anonymous reader writes "Many people have called for a 'dislike' button on Facebook, but the service has not allowed it. A professor's app lets users add 'enemies,' in what he says is critique of the service's advertiser-friendly niceness. Will Zuckerberg let the app stand or ban it?"
Thus mathematics may be defined as the subject in which we never know
what we are talking about, nor whether what we are saying is true.
-- Bertrand Russell