Spacetime Layers is THE platform for location-based messaging. You can send personal messages to your contacts and control when and where they arrive. Sending your messages thru time and space, how cool is that! But there is more! The interactive map consists of Layers of messages (hence the name ;-) of various organizations. So from now on, wherever you are, just grab your phone and open Spacetime Layers to see what is happening around you. Wandering about a church, a monument, a piece of art