When our kids were young, we took a trip to northern Wisconsin to visit my grandparents. They didn’t get very good reception on their television, but TV wasn’t much of a priority with them. After I had seen our son Scott fiddling with the TV set for a while, he asked with frustration, “What do you do if you can get only one channel and you don’t like what’s on that one?”

“Try turning it off, ” I said with a smile. Not exactly the advice he was hoping for. It’s even more difficult to do now, especially when there are…