Two annoying tastes that taste annoying together
Car alarms annoy people. Cell phones annoy people. Why not combine the two, and at least consolidate the annoyances? Instead of a car alarm that infuriates everyone who happens to be remotely near where the car is parked for the next hour (a set of people often not including the owner of the vehicle), let's make one that calls up the owner on his or her cell phone instead.