NEW YORK--(BUSINESS WIRE)--Digital advertising revenues in the U.S. rose to an all-time high of $49.5 billion in 2014, according to the IAB Internet Advertising Revenue Report for the full-year, released today by the Interactive Advertising Bureau (IAB) and prepared by PwC US. This figure represents a 16 percent increase over 2013’s record-setting total of $42.8 billion – and marks the fifth consecutive year of double-digit growth for the industry. The report additionally shows that 2014’s four