As the sites have become increasingly ######, the user base has expanded from ###### and young adults to include more ###### over the age of 50. Facebook ###### as a site for college students, ###### after two years it opened registration ###### everyone. As of January 2014, about ###### percent of users were 18 to ###### years old, 24 percent were 15 ###### 34 years old, 31 percent were ###### 35 to 54, and almost 16 ###### were 55 and older.

As of ###### 2014, nearly two-thirds of social media ###### accessed sites from their computers once ###### day.]]>