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A woman uses the Twitter Periscope app on her mobil phone to live broadcast the announcement of the 2015 Billboard Music Awards finalists Twitter's office space in Santa Monica, California, April 7, 2015. AFP PHOTO / JONATHAN ALCORN (Photo credit should read JONATHAN ALCORN/AFP/Getty Images)

A woman uses the Twitter Periscope app on her mobil phone to live broadcast the announcement of the  2015 Billboard Music Awards finalists Twitter's office space in Santa Monica, California, April 7, 2015.   AFP PHOTO / JONATHAN ALCORN        (Photo credit should read JONATHAN ALCORN/AFP/Getty Images)