A small grey market industry has cropped up for gamers located in certain regions where digital PC games are priced significantly lower than the rest of the world. People have been purchasing non-region locked copies of games and trading them for Team Fortress 2 keys, Amazon gift cards, and PayPal funds. The buyers often get games for up to 80% off, and the seller walks away with a tidy profit.
In the face of the crumbling Russian currency and the impending Steam sale, Valve is cracking down on they grey market sellers by restricting buyers from several countries from sending or trading gifts outside of their region. Regions affected includes Russia, Malaysia, Thailand, Indonesia, Phillipines, Turkey, Brazil, Mexico, Singapore, and many countries that were formerly part of the Soviet Union.