Ditch the GPS. It???s ruining your brain. By M.R. O'Connor, Washington Post. June 5, 2019 https://www.washingtonpost.com/opinions/ditch-the-gps-its-ruining-your-brain/2019/06/05/29a3170e-87af-11e9-98c1-e945ae5db8fb_story.html Yours, Paul H.