Annnnnd it's dead 🙁
Well here's something you don't see very often! For today only, you can get a unique code worth $20 off any BestBuy.com purchase. Best Buy is also running a free shipping on all orders promo, so you can easily get a $20 product for free!
To get your code, you have to sign up for VISA's new free Pay with Visa system. It lets you link you credit card to make checking out online easier and safer at over 100 online merchants. After you're logged in, head to this page and click the button get the code emailed to you.
If you get a message on the second link to “try again later,” simply refresh the page after a few minutes. That's what I did and eventually got in after 5 or 6 minutes. The codes doesn't arrive immediately, but should show up in about four days. You also have until 12/24 to use the code at Best Buy and can contact email@example.com if you have any trouble.