By Sarah Vizard

Back when AdWords launched in October 2000 it had just 350 advertisers. Now that number is more than 1 million. Advertising, most of which comes from paid search, accounted for 90% of Google’s $18.68bn in revenue last quarter.

For those that don’t know, AdWords is Google’s paid search service. Advertisers pay on a cost-per-click basis to have their ads shown next to keyword search terms across Google properties – whether that be its search engine, YouTube or most recently its Play app store.

Ian Carrington, director of performance at Google UK, says what has made AdWords so successful is its ability to Read full story ›

Source: Marketing Week