Recruitment has seen the biggest growth in online advertising, as the web becomes the third largest advertising medium. Industry advertising grew by 5.3 share points in 2007, according to an assessment by PricewaterhouseCoopers, a growth of 38%.

The online advertising market is growing by £417.1m year-on-year, rising form the smallest advertising sector in 2003 to the third largest in 2007 at a new high of £2.8bn. The increase breaks down into a 33% growth in display advertising, 44% in search and 72% in classified.