you'll be driving soon then, and then you'll need a flashlight <img src="/ubbthreads/images/graemlins/wink.gif" alt="" /> I used to carry a few Photons on a carabiner on my belt loop. I had one on my keys too, but it wouldn't have done me any good if I dropped my keys and had to look for them. Even in a large building in the daytime if the power went out you could be in complete darkness and unfamiliar surroundings. maybe even other panicking people. People are crazy. You never know what they'll do when they are forced out of their comfort zone.