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What would you do if a car with an invisible driver pulled up to the drive-thru window you were working?  If you were any of the people in this video, you would react in ways that made me legitimately laugh out loud more than once.  There was even one pound-the-desk-with-my-fist laugh in here.  One note: you probably shouldn't try this yourself as this guy is clearly a professional prankster.  By the way, how do I get that job?