Infographic by- GO-Globe.com Facebook 25 percent of users don't bother with any kind of privacy control. The average Facebook user has 130 friends. More than 350 million users suffer from Facebook Addiction Syndrome. 85 percent of women are annoyed by their friends Links about sex are shared 90 percent more than any other link. Twitter 750 tweets per second are shared on Twitter. If Twitter was a country, it'd be the 12th largest in the world. LinkedIn Two new members sign up to LinkedIn every second. LinkedIn has 161 million members in more than 200 countries and communities. There are more than 1 million LinkedIn groups. Youtube The most watched video is "Gangnam ... Learn More