As a kid, I thought adulthood would feature a prominent candy drawer. Instead, mine is full of Kindles. Some are fresh review units, while others are aging models that I never fully retired because e-readers age slowly, so upgrades often become additions instead of replacements. Needless to say, a recent Reddit thread debating whether two Kindles are smart or excessive hit close to home. As much as I love my collection, you probably only need one. The appeal of multiple Kindles