Sponsored links are a money maker for search engines, but a Penn State study using a search engine's transaction log indicates consumers click on sponsored listings fewer than two times out of every 10 searches, a rate which suggests consumers still prefer organic or non-sponsored links.

Yahoo Publisher Network's publishers today receive a notice informing about YPN's new feature called "Quality-Based-Pricing." Many online publishers started asking questions if this may be Yahoo's answer to the concept of "Smart Pricing"introduced by Google Adsense a while ago to make Adsense and Adword more optimal.