From #Facebook and #Twitter to #Instagram and #Ello: The Most Popular Social Networks

Facebook is the most popular social network in the United States, with its 74 percent penetration rate more than double that of second-placed LinkedIn.

Twitter finished fourth in the survey, which was conducted by Cowen and Company amongst adult internet users aged 18 and over, with a 22 percent share.

Pinterest (31 percent) was third, with Instagram (18 percent), Snapchat (11 percent) and Tumblr (10 percent) rounding out the upper echelons of the poll.

Newcomer Ello finished bottom in the study with a 1 percent share.

(Source: eMarketer.