by POPSUGAR Tech 11

We know Leo DiCaprio loves his Black Carbon cell phone and Britney would rather be hairless than be without her beloved BlackBerry, but you should know Darth Vader won't think twice about using the force on you if you pick up the phone at the wrong moment.

Earlier this week, the Academy of Motion Picture Arts and Sciences screened Star Wars as part of a series of 3Oth Anniversary celebrations and before the start of the show, guests were treated to this special clip warning them not to pick up their phones during the show.

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