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Fake Donald Trump tweets are seen in a Twitter timeline on 27 Friday, 2017. In China a site that generates fake tweets that look as if they were generated by US president Donald Trump are geing used to mock the president. (Photo by Jaap Arriens/NurPhoto via Getty Images)

Fake Donald Trump tweets are seen in a Twitter timeline on 27 Friday, 2017. In China a site that generates fake tweets that look as if they were generated by US president Donald Trump are geing used to mock the president. (Photo by Jaap Arriens/NurPhoto via Getty Images)

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Twitter

Twitter

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The Twitter Inc. accounts of U.S. President Donald Trump, @POTUS and @realDoanldTrump, are seen on an Apple Inc. iPhone arranged for a photograph in Washington, D.C., U.S., on Friday, Jan. 27, 2017. Mexican President Enrique Pena Nieto canceled a visit to the White House planned for next week after Trump on Thursday reinforced his demand, via Twitter, that Mexico pay for a barrier along the U.S. southern border to stem illegal immigration. Photographer: Andrew Harrer/Bloomberg via Getty Images

The Twitter Inc. accounts of U.S. President Donald Trump, @POTUS and @realDoanldTrump, are seen on an Apple Inc. iPhone arranged for a photograph in Washington, D.C., U.S., on Friday, Jan. 27, 2017. Mexican President Enrique Pena Nieto canceled a visit to the White House planned for next week after Trump on Thursday reinforced his demand, via Twitter, that Mexico pay for a barrier along the U.S. southern border to stem illegal immigration. Photographer: Andrew Harrer/Bloomberg via Getty Images

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The Twitter Inc. logo is seen behind an Apple Inc. iPhone 6s displaying the company's mobile application in this arranged photograph taken in New York, U.S., on Tuesday, Feb. 9, 2016. Twitter Inc. is changing its timeline to display popular tweets first, instead of the latest posts, a long-anticipated step thats likely to anger its most passionate users. Twitter is scheduled to report quarterly earnings results following the close of U.S. financial markets on February 10. Photographer: Michael Nagle/Bloomberg via Getty Images

The Twitter Inc. logo is seen behind an Apple Inc. iPhone 6s displaying the company's mobile application in this arranged photograph taken in New York, U.S., on Tuesday, Feb. 9, 2016. Twitter Inc. is changing its timeline to display popular tweets first, instead of the latest posts, a long-anticipated step thats likely to anger its most passionate users. Twitter is scheduled to report quarterly earnings results following the close of U.S. financial markets on February 10. Photographer: Michael Nagle/Bloomberg via Getty Images

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PARIS, FRANCE - SEPTEMBER 25: In this photo illustration, The social network Twitter home page is displayed on the screen of an Apple Inc. iPhone 5 in this arranged photograph on September 25, 2016 in Paris, France. According to information from the American television channel CNBC, the Twitter social network could be bought by Google (Alphabet) and Salesforce.com group before the end of the year. (Photo illustration by Chesnot/Getty Images)

PARIS, FRANCE - SEPTEMBER 25:  In this photo illustration,  The social network Twitter home page is displayed on the screen of an Apple Inc. iPhone 5 in this arranged photograph on September 25, 2016 in Paris, France. According to information from the American television channel CNBC, the Twitter social network could be bought by Google (Alphabet) and Salesforce.com group before the end of the year.  (Photo illustration by Chesnot/Getty Images)