How Facebook Live became a big part of the Rio Olympics

With the Olympics officially over, there's one thing that's clear. Facebook Live played a huge part in how networks, brands and athletes delivered real-time, behind-the-scenes looks into Rio. 
NBC's official live streaming broke records and endless media companies used Facebook Live for their coverage. This included, ABC News, Access Hollywood, BBC Sport, CNN, Conde Nast, DC Esportes, The New York Times, People Magazine, Rádio BandNews FM, Reuters, The Today Show,