Example: The data indicates that 45.2 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 16 minutes and 35 seconds at one or more of their
sites or applications.
A parent company is defined as a consolidation of multiple domains and URLs owned by a single entity. A
brand is defined as a consolidation of multiple domains and URLs that has a consistent collection of
branded content.
Estimated spending reflects CPM-based advertising online, and excludes search-based advertising, paid
fee services, performance-based campaigns, sponsorships, barters, partnership advertising, advertorials,
promotions and e-mail. Impressions reported exclude house ads, which are ads that run on an
advertiser’s own or related property and co-branding relationships.
Example: An estimated 4.7 billion Privacy Matters ads were rendered for viewing at the cost of
approximately $14.3 million during the surfing period.
Source Nielsen/NetRatings


