"By 2008, most of the features of our current social media environment were in place, but everything is much bigger this time around. Facebook is 10 times larger than it was in 2008. Twitter has grown by about 30 percent per year. YouTube is burning three billion hours of video per month into the retinas of users, with clips embedded upon countless web pages. Mobile Internet access is also more widespread, with the smartphone user base exploding by over 400 percent." (Quoted from article)