It passed Amazon back in August, 2008. eBay fell by the wayside in January, 2009. It surged past AOL sometime in February, 2009, and just last month it finally passed the Wikimedia Foundation sites (which includes Wikipedia). ¶ Worldwide unique visitors (June, 2009). (Source: ComScore): #Google Sites: 844 million,
#Microsoft Sites: 691 million,
#Yahoo! Sites: 581 million,
#Facebook: 340 million,
#Wikimedia Foundation sites: 303 million,
#AOL: 280 million,
#eBay: 233 million,
CBS Interactive: 186 million,
#Amazon: 183 million,
Ask Network: 174 million - × × ×