“The internet has always been a magnet for bored people looking for amusement, but while some write a blog and others search for pornography, a growing number get their kicks by sabotaging high-profile websites. Any site that relies on well-meaning contributions from the public is vulnerable – MySpace, Slashdot and YouTube have all been victims – but Wikipedia is particularly susceptible because it is the encyclopaedia anyone can edit, including those whose sole aim is to undermine it.”