Digital advertising in the U.S. surpassed the $100 billion mark for the first time ever. This report comes from IAB, the Internet Advertising Revenue Report was Conducted by PricewaterhouseCoopers (PWC). Mobile took the lion's share of ad revenue for the third year in a row. Anthony Ha over at TechCrunch wrote: One of the recurring concerns about the digital ad industry is its dominance by … [Read mor