Free Borderlands 2 Shift code from PAX East w/ unlimited use.

Haven't played in a while, did use that workaround to get 200+ keys though.

Haven't seen anything worthwhile in one of those chests anyway lol :(

Thanks, used it anyway.
Registered it on PC.

It said that I had 3 new keys, not unlimited.

Havent checked in-game though.

Waiting to use on that new level cap :)
It's unlimited in that it means any number of people can use it. Usually when they tweet them out, they'll mention if a code has a certain amount of times it can be redeemed. In this case, there are none. Still only one per account though.