DoubleClick Ad Exchange plus Adwords plus Google Analytics will be a formidable competitor for Yahoo or Bing. Ad exchanges are needed. Google also offers the most advanced geotargeting. Surprisingly, we have often found, in a head to head competition, that text ads beat display. Yahoo and Bing really need to consult with industry leading advertisers and publishers to really understand how to compete. Bing’s cash back program is brilliant.

Read The Wall Street Journal article.