Internet News Article | Reuters.co.uk Online ad spending in Britain surged 62 percent to more than 490 million pounds in the first half of 2005, the Internet Advertising Bureau said on Monday. According to a study carried out by PriceWaterhouseCoopers for the IAB, online advertising has surpassed outdoor ads by market share, 5.8 percent to 5.1 percent, as more marketers have moved their advertising budgets online. Online ads surpassed radio by market share last year.