When Google acquired display ad serving platform Doubleclick in 2008, it was stunning news. According to market research firm eMarketer, Google receives 41% of all Internet advertising dollars in the United States. The eMarketer report , published June 2011, further states that 75% of all U.S. search engine marketing dollars goes to Google AdWords. Microsoft and Yahoo get a measly 8% of all US search ad dollars each. The choice is clear. Google dominates the search advertising landscape. Google is quickly becoming a dominate player in display, too. What ad product are you using?