GPS ENABLED DEVICES ALLOW FUTURE GENERATIONS TO RETRACE YOUR FOOTSTEPS.
Geo-tagging of our locations, trips we take, where events happen, is already incorporated into the technology we use to record our movements and where and when video and pictures are created. 
When viewed through Bio_, this location information produces a way to retrace the footsteps of the lives of the people behind the accounts you have access to. Standing in the location of any other account holder you have access to, you can compare their experience of the same location with your current experience. 
Bio_ Home