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We've all watched a hilarious video somewhere on the internet, and then wanted to see our friends' reactions to it. Now, an app from Tumblr can let you stream videos while video chatting your friends.

The new Tumblr app, Cabana, will let up to six friends video chat each other in a “virtual hang out” while streaming YouTube videos together.

Tumblr CEO David Carp says the app allows people to see their friends' reaction to videos they love. He described a familiar scenario:

Credit: Tumblr

Cabana is not meant to be an official part of Tumblr, though according to Mashable, the app tested well with Tumblr users between 13 and 18 years old.

Credit: Tumblr

Would you use the app to watch videos with friends?