(Telecompaper) Facebook reported first-quarter revenues up 52 percent year-on-year to USD 5.4 billion. EBIT roughly doubled to USD 2.0 billion, and the net profit nearly tripled to USD 1.5 billion. The number of active monthly users on the social network rose to 1.65 billion from 1.44 billion a year ago, with mobile users reaching 1.51 billion. Average revenue per user was the highest in North America at USD 12.43 per month, followed by Europe at USD 3.98 and Asia at USD 1.56. Facebook also announced plans to issue a new class of 'C' shares. These will be issued to A and B shareholders at a ratio of two for one.