Amazon is poised to be an advertising behemoth, even as it dominates in online retail, handling almost half of all online sales in the U.S. The company currently holds the No. 3 spot in online advertising, behind Google and Facebook, with a mere 4 percent of the market. But Amazon is on a hiring binge for its advertising division, and, according to eMarketer, is on track to double its ad revenue this year to $5.83 billion. One source of tension is the fact that Amazon’s own products compete with retailers on its site. Continue reading Amazon On Track to Be a Bigger Player in Online Advertising