Overall, 211 million Americans were active online in December 2011 and Nielsen estimated that over 273 million Americans had access to the Internet.

As in December 2010, the same brands were featured amongst the 10 most popular online in the U.S. in January 2011 except for Wikipedia replacing Amazon (now 11th).

As sites like Twitter and Facebook continue to grow, global consumers spent more than five and half hours on social networking sites in December 2009.

The Nielsen Company today reported December 2009 data for the Top Parent Companies/Divisions and Top Web Brands, as well as average Internet usage.

The Nielsen Company today reported November 2009 data for the Top Parent Companies/Divisions and Top Web Brands, as well as average Internet usage.