The realization that I may have a problem (along with a lot of other people) hit me smack in the face, literally, a few weeks ago when I was strolling through the airport, avoiding obstacles with my peripheral vision as I clambered out a text message. Like the people who slam into glass doors, closed elevators and parked cars. According to the National Highway Traffic Safety Administration, distracted pedestrians are involved in thousands of accidents and even fatalities each year. Dr.