Black Friday Online Sal...

Despite the lingering cloud of economic turmoil covering most of the U.S., the realm of e-commerce seems to be doing just fine, thank you. According to comScore, Black Friday saw a big boost compared to the same day last year.

Advertising Placements ...

The industry breakdown of ad placements and unit types and top 25 companies placing sponsored links. The data are provided by Nielsen Online

Online Ad Spending Esti...

While there is significant disparity between their numbers, some argue Nielsen Online's and TNS Media Intelligence's methods for gauging online ad spending result in faulty data.

Top Ten U.K. Social Net...

Despite media attention, Twitter attracted just over a tenth of the number of users Facebook did in May 2009.

Advertising Placements ...

The industry breakdown of ad placements and unit types and top 25 companies placing sponsored links.