The RunPee mobile app for Android, iOS, or Windows7 mobile lets you know when it’s the best time to run to the toilets during a film, so that you don’t miss any of the good bits just the boring parts.

Constantly updated with peetimes for the latest movies. ( Updated every Friday afternoon. )
Built in Timer that gives you vibration alerts when peetimes coming up.
Get the latest critics and audience scores from RottenTomatoes.com
Look at movie details on IMDb.com.
Post a movie review to your Facebook wall without typing anything.
See ratings by other RunPee users.
Quick and easy checkin with your friends on Twitter or Facebook.

I haven’t tried this app, but it certainly caught my attention as something a bit zany.