If you go to this link you can get prizes like xbox live cards.

Here you just fill out offers and once you get enough points you get prizes. Xbox live 1 months are 8 points. Filling out offers is very simple. Just remember to click the link to get started. If you're not interested in xbox live cards they have other prizes like wii points nexon cash, ipods and more

It is not a scam because you simply fill out offers.