If you’re looking to switch carriers or sign up for a new mobile plan, you’re going to want to check out this next offer from Amazon Wireless. Any new customer signing up on either AT&T, Verizon, or Sprint, can pick themselves out a brand new 16GB Samsung Galaxy S III for $99. All you have to do is choose a carrier and color and you’ll be on your way to owning the best available Android smartphone at the lowest available price.