Facebook Books $1.86B in Advertising; Muscles In on Google Turf

http://adage.com/article/digital/estimate-facebook-books-1-86b-2010-advertising-muscles-google-turf/148236/

參考來源：

"New Estimate From eMarketer Shows Majority of Social Network's Ad Revenue Comes From Small Businesses"
- New Estimate: Facebook Books $1.86B in 2010 Advertising; Muscles In on Google Turf | Digital - Advertising Age (在「Google 網頁註解」中檢視)