Interesting argument. If people didn't bother buying a spare even when battery life was shorter, maybe longer battery life doesn't really matter all that much.

Interesting argument. If people didn't bother buying a spare even when battery life was shorter, maybe longer battery life doesn't really matter all that much. ;-) Incidentally, I had a spare that I brought along when traveling. When I wasn't traveling, I generally didn't need the spare, but it was great when I did need it.