ComScore released an overview of the UK online display advertising market for Q3 2010, which not only showed strong gains for the medium as a whole but also lists Facebook as the UK's single largest display ad publisher on the Web. Facebook accounted for 68 billion display ad impression (does not include video ads or house ads), for a 31 percent market share. A distant second was Microsoft Sites (14 billion), followed by eBay (8.8 billion) and Google Sites (8.2 billion). This not only points out how large the Facebook audience is, but also the pervasiveness of advertising on the world's largest social network. And in the face of advertising, users have not abandoned the site on grounds of "intrusion." That's good news for advertisers.

Also according to the comScore findings, the display market overall enjoyed a 34 precent increase in ad impressions over Q3 2009, reaching more than 221 billion display ads. Display advertising is clearly on the rise once again.