Apple's all singing, all dancing smartphone was announced in January 2007. The phone, which has sold tens of millions, also enables users to access more than 100,000 applications in Apple’s App Store.
According to Google’s Zeitgeist annual list of most searched for terms, the hottest topic of searches this year was Stephen Gately.
This compares to topics such as Nostradamus, Spiderman and iPhone which have all topped the list this decade.
Computer Weekly looks back at the topics that grabbed web users’ attention so far this millennium.