If you grew up watching “The Jetsons” or reading “Dick Tracy,” you know that you are now living in a world that was once only a science fiction concept. Your childhood dream may have been owning a “Walkman” or coming home to a “transistor radio.” Video streaming and attending school on computers were once thought of as the future, but now we have electric cars and, in some places, cars that can transform into airplanes. Even a one-year-old knows that those little rectangular devices are important and that you must swipe.