Just when you thought that your phone was the only gadget you need to worry about, the battle is beginning to heat up over smartwatchesSamsung recently revealed its plans to release a wristwatch-style computer; Sony released an Android-powered model last April; and rumors of an Apple producing an “iWatch” are running rampant. The question of whether smart watches will be as indispensable as their handheld counterparts still remains to be seen, but tech companies are eager to explore this relatively untapped market.