Dog-walking service keeps owners updated via maps and GPS Posted on June 29, 2012 by Merrill Swifto is a dog-walking service in Manhattan that relies on GPS and a mobile app to track a dog’s walk. Read More Now! Share this:Click to print (Opens in new window)Click to email this to a friend (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window) Related