According to Strategy Analytics’ latest research, the number of Internet users around the world that use social networks such as Facebook, MySpace and Twitter will reach 900 million by the end of this year and increase to 1.85 Billion by the end of 2015. However, the Strategy Analytics report, “Global Social Network Market Forecast,” finds that there are already significant regional differences in the adoption of different social networks, as well as in business models for how social networks are monetized.