Somebody at Samsung apparently forgot that its very popular Galaxy S handset (in all its varieties) has -- are you ready for this -- a user-replaceable battery. Now, we don't mean a warranty breaking, two-screws-and-it's-out replaceable battery. No, the battery in the Galaxy S is designed (and promoted) to be switched out by the user. Just pry off the back cover and there it is, ready to swap whenever more juice is required. So why anyone would slap a big
