The proportion of all clicks that Google records that are invalid (in the worst case). Undetected click fraud constitutes less than 0.02% of all clicks. Read the AdWords blog.
96% – this figure does seem to keep on cropping up! (see post below)
The proportion of search users who view the top three sponsored search results. 31% view the sponsored search results on the right, reports a new consumer study.
40 billion (pounds)
The predicted amount of money that will be spent online this year (15% of UK retail sales), according to uSwitch.
The number of countries that Yahoo Mobile advertising is being displayed in for top corporate advertisers. See the full report on Reuters.
10 million (pounds)
The amount of money spent on re-designing the new Times Online website.