These days, I only watch TV (usually through Amazon Prime) on my iPad while using the treadmill or stationary bike. That consumes enough of my attention—and ma

These days, I only watch TV (usually through Amazon Prime) on my iPad while using the treadmill or stationary bike. That consumes enough of my attention—and makes it enough of a pain to use my hands—that it prevents the urge to do a third activity while watching. (Plus it's healthy!)