15 social networks with the most active users in 2015

Social media in 2015Image by ThinkstockFacebook owns and operates four of the top six social networks in the world based on monthly active users (MAU). Only two other social media services, both owned by China's Tencent, are even close to giving Facebook a run for its money. The following list details the year's most used social networks, and provides specific MAU numbers (where available).To read this article in full or to leave a comment, please click here