In high school, Mackenzie Leake shot a movie about being afraid to get her driver’s license. “A very millennial subject,” she jokes. It gave her a punishing lesson in editing video: Leake spent countless hours, over the course of weeks, “scrubbing” through her footage to find the best shots, then painstakingly assembling them. “It’s a ton of grunt work,” she notes. Now, seven years later, she’s trying to accelerate the process.

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