A site called PSprices has been tracking prices on Sony's digital game store and noticed something unusual: some games were being offered at different prices to different users. What's more, those offers are tracked in the PlayStation API with experiment identifiers like IPT_PILOT and IPT_OPR_TESTING. Dynamic pricing is nothing new and is used across a number of industries. But it's often met with backlash and isn't typically found in online game stores. According to PSprices, Sony is running A/B testing on prices for over 150 games in 68 regions, though the US doesn't currently appear to be part of the experiment. For now, at least, Sony i … Read the full story at The Verge.