By Jane Merrick POLITICAL EDITOR London mayor hires the firm behind the US Democratic frontrunner's powerful web campaign Ken Livingstone is hoping that the magic touch of Barack Obama will help him defeat Boris Johnson in the London mayoral contest.

Senator Hillary Clinton has another place where she needs to catch up: the Web. Long before Senator Barack Obama began his impressive winning streak in the Democratic primaries, he was trouncing his opponents in their online efforts.

By Jose Antonio Vargas, Washington Post Staff Writer Howard Dean's cometlike campaign in 2003 was the first to integrate the Internet into a presidential race, and Joe Rospars was there, a 22-year-old working as an "all-around Web guy" until the campaign suddenly collapsed.

By Clarence Page Here's a welcoming and cautionary note from an old media geezer to the new-school bloggers, Webheads and YouTubers: You're a valuable addition to the presidential landscape. Just don't get too full of yourselves.

By Ralph Hanson THE YouTube video starts out instantly familiar. Apple's iconic "1984" Super Bowl commercial featuring dark Orwellian imagery created by famed director Ridley Scott streams out.