By now you're probably pretty familiar with those ultra explicit texts hacked off Olivia Munn's phone, which mostly involves superimposing text and arrows over an erotic self-portrait, to create illustrated sex instructions to her then lover boy Chris Pine.

But did you know that it's also sparked a new trend following the comedienne's unique sexting method? Olivia uses Skitch, a basic photo-editing app for phones and computers. All you have to do is upload a hot pic and using arrows, label your erogenous zones with instructions for your lover. Below are a few funny examples: