"I think of our check-ins, our food photos, our tagged friends. I think of our steps, our Fuel Points. I think of the myriad and nearly endless streams of data—data now actively collected but becoming increasingly passive. I think of all this and I can’t help but see a hologram projected somewhere off in the distance. A reconstitution of something, someone, miles away, years out."
Craig Mod: Paris and the Data Mind - The Morning News
The Fog of World app comes to mind. A little different, but similar idea.