Requires jailbreak (?)
Turn your iPhone into a handheld billboard
iBlipper allows you to communicate quickly, via visually presented text, at distances and in situations where voice is insufficient or inappropriate.
* Pickup Lines
* Driver Feedback
* Boring Meetings
Use it for breaking the ice in a social situation -- pick up the date of your choice with clever wit and innovative delivery. Flash a message to a fellow sufferer in a boring presentation, or give that bad driver some feedback on the use of turn signals.