Search Engine Land
Google has publicly released a list of the top 1,000 sites by unique users as measured by its Ad Planner service. The list ranks sites based on category, unique visitors, reach and page views. Google is also allowing advertisers to specify that they only want their content ads to show on these top 1,000 sites, according to
Search Engine Land. Facebook.com is presently the number one ranked site globally with 570,000,000,000 page views and 540,000,000 unique visitors. The list is expected to be updated monthly, and excludes porn sites, ad networks, domains that don't have publicly visible …