Where Are Your Website Visitors Coming From Just Now?

Your AdWords traffic can arrive from two different universes: search and display. Since the visitors are different, your ads need to be different, and the two universes need to arrive at different landing pages to help them accomplish their goal.

Source: http://feedproxy.google.com/~r/sewblog/~3/I44yXtLA9h4/Where-Are-Your-Website-Visitors-Coming-From-Just-Now

more info here more info here more info here more info here more info here more info here more info here