[beezdotcom]

Now if someone would just invent something that cancels out the noise of those 10 kilowatt stereos that are all over the place.

If you don't mind violating FCC regulations, you can build a device that will create really annoying interference in their sound system while they are in close proximity to you. Of course, the feds tend to see this as a BAD thing, since it can also interfere with aircraft communications and the like...

[P8riot]

Yeah that probably wouldn't fly around here. I'm a couple miles from a general aviation airport and a fire station.