About 300 people have joined an impromptu bike ride with cycling legend Lance Armstrong after he issued an open invitation on a Twitter post
Interestingly, the story doesn't say what Twitter actually is. Until now, the Beeb seems to have felt the need to explain that it is a "micro-blogging service" (as in this story from April), a "social messaging network" (as in this story, from the same month), or a "social networking website" (as in this story, again from April).
So does the Lance Armstrong story mark a change in house style? Without trawling through dozens more stories on the BBC News website - which I may do if I get bored - it's difficult to tell...