Five iPhone 5s in five days: win an iPhone gift card, courtesy of Tanga!

Day one has come and gone, but we are just twenty percent of the way through our weeklong mission to give out five iPhones. Today's contest is made possible by Tanga, an e-tailer known for offering tech magazine subscriptions on the cheap as well as closeout prices on just about anything you can think of. Tanga is hooking the lucky winner up with an Apple gift card with enough credit to cover the no-contract cost of an iPhone 5, which means you have more flexibility in choosing a carrier. So hea...