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Social media 'Like' symbol on keyboard

Social media 'Like' symbol on keyboard

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Dislike computer key

Dislike computer key

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This picture taken with a fisheye lens shows a man walks past a big logo created from pictures of Facebook users worldwide in the company's Data Center, its first outside the US on November 7, 2013 in Lulea, in Swedish Lapland. The company began construction on the facility in October 2011 and went live on June 12, 2013 and are 100% run on hydro power. AFP PHOTO/JONATHAN NACKSTRAND (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)

This picture taken with a fisheye lens shows a man walks past a big logo created from pictures of Facebook users worldwide in the company's Data Center, its first outside the US on November 7, 2013 in Lulea, in Swedish Lapland. The company began construction on the facility in October 2011 and went live on June 12, 2013 and are 100% run on hydro power. AFP PHOTO/JONATHAN NACKSTRAND        (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)

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The logo of social networking website 'Twitter' is displayed on a computer screen in London on September 11, 2013. AFP PHOTO / LEON NEAL / AFP PHOTO / Leon NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)

The logo of social networking website 'Twitter' is displayed on a computer screen in London on September 11, 2013.   AFP PHOTO / LEON NEAL / AFP PHOTO / Leon NEAL        (Photo credit should read LEON NEAL/AFP/Getty Images)

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A Facebook Inc. employee demonstrates the new video feature with Instagram during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, June 20, 2013. Facebook Inc., operator of the largest social network, plans to unveil video-sharing tools, bringing its Instagram into closer competition with Twitter Inc., a person with knowledge of the matter said. Photographer: David Paul Morris/Bloomberg via Getty Images

A Facebook Inc. employee demonstrates the new video feature with Instagram during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, June 20, 2013. Facebook Inc., operator of the largest social network, plans to unveil video-sharing tools, bringing its Instagram into closer competition with Twitter Inc., a person with knowledge of the matter said. Photographer: David Paul Morris/Bloomberg via Getty Images