When it comes to retailers that sell gift cards, you probably don't immediately think of PayPal, but that might soon change. The eBay-owned company is diving into the digital gift card business and is touting iTunes as its first major partner. The company just began selling redeemable iTunes gift codes via a new web portal and proceeded to sell out of the two cheapest versions without much delay.
You can currently purchase US$50 and $100 iTunes codes via the new PayPal Digital Gifts store, but the $15 and $25 options are already depleted. There's no indication of whether PayPal's stocks will be replenished in time for some last-minute holiday gifting, but if you have a few bucks burning a hol
