The concept of Pokèmon GO is well known by now, as you head out into the real world and your phone displays Pokèmon as if they're actually sitting on the ground in front of you. It's the most successful mainstream release utilising AR (augmented reality) yet, and it's got plenty of people hooked.
Those whizzes at Digital Foundry have taken a look at how the app works on a technical level, and though we'd suggest that there's less detailed insight here than in the channel's breakdowns of major console games (for example), it's still an interesting watch. It shows a bit of Ingress, Niantic's previous release that laid the foundations of the technology, and goes into how the game employs Google Maps.
Check it out below.