Can You See Me Now?

These days many of us are wondering what the real use of virtual worlds is. There's a slight shift towards augmented, or mixed reality. Mixed reality, in which the real world and the virtual come together isn't new. Have a look at this video.

"Can You See Me Now? is a game that happens simultaneously online and on the streets. Players from anywhere in the world can play online in a virtual city against members of Blast Theory. Tracked by satellites, Blast Theory's runners
appear online next to your player on a map of the city. On the streets, handheld computers showing the positions of online players guide the runners in tracking you down. "

This game dates back to 2001, there's more on Blast Theory.co.uk