YouTube Claims 1.5 Billion Monthly Users (cnbc.com)

An anonymous reader shares a report: Google's YouTube unit says it now reaches 1.5 billion viewers every month -- and its users watch more than an hour of mobile videos per day -- as it expands its video programming to sell more digital ads. YouTube CEO Susan Wojcicki also wrote that YouTube Red, the company's foray into original videos, has launched 37 series that have generated "nearly a quarter billion views." YouTube Red has 12 new projects in the works, she said.