Don't Breathe director Fede Alvarez landed on Hollywood's radar with his 2009 short Panic Attack, so he knows the power of "going viral." The up-and-coming Uruguayan writer-director talked to El Pulsoabout how YouTube has become the go-to tool for young filmmakers.

That's right, YouTube is not just for cat videos. It can actually help you get discovered and develop an audience. Alvarez has now directed two studio horror movies, and not only has Don't Breathefared well with critics, but audiences are also eating it up. 

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