But, but ... what about freedom of speech?

New York Times Bans The Word 'Tweet' (The Awl)
Phil Corbett, the standards editor at the New York Times, issued a memo asking writers to abstain from past-tense and other iterations of the noun/verb "Twitter." Writes Corbett: "'Tweet' may be acceptable occasionally for special effect. But let's look for deft, English alternatives: use Twitter, post to or on Twitter, write on Twitter, a Twitter message, a Twitter update. Or, once you've established that Twitter is the medium, simply use 'say' or 'write.'"