Thanks to Twitter, people like Britney Spears can send 140-character micro-blogs (or "tweets") to their legions of fans. And thanks to hackers, these fans can be advised that Britney Spears has a vagina with teeth.

That is what allegedly happened yesterday, when Britney Spears's official Twitter account sent out a most peculiar message: "HI Yall! Brit Brit here, just wanted to update you all on the size of my vagina. Its about 4 feet wide with razor sharp teeth."

Within moments, the announcement had spread across the world – to the laptops, desktops and mobile phones of some 14,000 fans subscribed to Britney's tweets. Thousands of her fans learned about her alleged case of vagina dentata, disseminated by SMS, RSS and the plain old internet. The message struck a different note from the singer's usual updates. "Just took the boys to the pumpkin patch!" she boasted in October. "I think all the tiny cars [in Japan] are so cute!" she wrote in December.

It wouldn't have been the first time that Britney – or her representatives – made an unexpected disclosure via Twitt