The eyes have it: 71 percent of online Americans are using sites like YouTube and Vimeo, up from 66 percent a year ago, and 33 percent in 2006, according to the Pew Internet Project.

“The rise of broadband and better mobile networks and devices has meant that video has become an increasingly popular part of users’ online experiences,” Kathleen Moore of Pew, said in a statement. “People use these sites for every imaginable reason — to laugh and learn, to watch the best and worst of popular culture and to check out news."

Video-sharing sites are also "very social spaces as people vote on, comment on, and share these videos with others.”

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