The product demonstrated was invented and patented in the UK originally for airport runways. Then it was expanded for use on pedestrian walkways.
Get this - it glows in the dark!
If it is as cost and time effective as is promoted here and not a PITA to maintain, (and is available in the US) how cool would this be for all of the bike and walking paths being installed and upgraded around Dunwoody?
StarPath press release
Blog Post from Slate