Celebrities have been endorsing products for years, including everything from Ronald Reagan appearing in Chesterfield cigarette ads (during his acting years, not his presidential terms), through to Kate Moss flogging mascara.

But simply appearing...

What have we done? News is coming in that Justin Bieber's music video for "Baby" is the most-watched video ever on YouTube.

Eek.

The 16-year-old pop star's video passed Lady Gaga's "Bad Romance" video to take the all-time lead with...

Oops. An announcement of Gears of War 3 has gone up on Xbox Live, surprising a number of keen fans of the game. No-one, including the developers, had previously mentioned the game as existing.

So what happened? Well, an announcement of the...