Today only, January 7, 2012, Best Buy are offering 20% off all Apple iTunes digital gift cards for a limited time; $15 gift card for $12, $25 gift card for $20, $50 gift card for $40, and $100 gift card for $80. These gift cards are sent digitally in the form of a code that can be redeem in the iTunes Store for music, movies, TV shows, audiobooks, apps, games and more.