Pepsi and Amazon will hand out $ 1 billion worth of goods for free.

Pepsi and Amazon have confirmed their plans to distribute $ 1 billion worth of goods for free as part of the Pepsi Stuff promotion. The points that Pepsi will put on 4 billion units of production can be exchanged for mp3 and video download (via amazonmp3 and amazon unbox, respectively), and you can also purchase consumer electronics, CDs and DVDs for them.

Pepsi Stuff is Pepsi's largest promo event with Amazon.
Pepsi, the biggest promo, starts on February 1 during the Super Bowl broadcast.

upd
Promotion is valid only in the US.
also amazonmp3 is selling music only in the US