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Twitch is the world's leading video platform and community for gamers. It's where gamers from all over the world can watch or play against complete strangers.

Rappers Drake and Travis Scott teamed up with NFL player JuJu Smith-Schuster and professional gamer, Ninja to livestream them playing a game called 'Fortnite'.

More than 600,000 people tuned in on Twitch - that's the most number of people watching an individual live-stream on the platform.

Jordan Erica Webber is a gaming correspondent. She talks us through Twitch.

(Photo: Gamer at the Electronic Entertainment Expo in Los Angeles, 2013. ROBYN BECK/AFP/Getty Images)