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

Example:  The data indicates that 62.1 million home and work Internet users visited at least one of the Wikimedia Foundation-owned sites or launched a Wikimedia Foundation-owned application during the month, and each person spent, on average, a total of 17 minutes and 7 seconds at one or more of their sites or applications.

The parent level is defined as a consolidation of multiple domains and URLs owned by a single company or division. The brand level is defined as a consolidation of multiple domains and URLs that has a consistent collection of branded content.