Jürgen Habermas is not on Twitter after all. The faker appears to have apologised before being deleted (that's a Google cache link, and will stop working). But the form of his denial to a blogger – 'No, no, no. This is somebody else. This is a mis-use of my name' – would make a great tweet.

• Macmillan has discovered a new advertising catchline: "Available at bookstores everywhere except Amazon". I imagine they'd quite like to drop it soon.

• If archivists are peacemakers, that means there's a war in your filing cabinet.

• Celebrating additions to the OED, one sentence at a time.