Ghostbusters' Snapchat Ad Lets Users Use Both Sides of the Phone's Camera to Add Filters

App's first 'dual lens' campaign

Despite poor initial reactions to the YouTube trailer for this summer's Ghostbusters reboot, Sony Pictures is pulling out all the bells and whistles to promote the movie—including a big push on Snapchat that targets folks who may not be familiar with the original '80s version of the film.