Apple has recently launched iTunes11. The developers of iTunes have created a special feature that allows the user to use their computer camera to capture the redeem code from the back of an iTunes Gift Card.
If you have ever purchased an iTunes Gift Card, on the back contains a code. Apple has released a new style of gift card. On the new cards you will notice the back has a sixteen character code. There is a box around the code camera recognizes and then automatically redeems the iTunes gift card.
Older versions of iTunes has been criticized for not being user-friendly. With $2 billion of iTunes Store revenue coming from gift cards, this upgrade should make some people happy.