Target Launches iTunes Digital Card Sale: Buy One, Get One 20% Off

Target this week has launched one of the first notable App Store and iTunes gift card discounts since the holidays, offering shoppers the chance to buy one iTunes card at regular price and get a second one for 20 percent off. While not as good as the straight 15 percent discounts for a single card we've seen over the past few months, this is one of the only iTunes card sales going on right now, so it could be a good opportunity to add some credit to your iTunes account.Note: MacRumors is an affi