There isn't a week that goes by where we don't hear about how the rapid adoption of smartphones and tablets are displacing other technology segments. For many folks, a competent high-end handset can comfortably replace various portable media players, dedicated gaming handhelds, audio and video recorders, a basic camera, a GPS and plenty more -- but even the crappiest phone will tell you what time it is.

A couple decades ago, wristwatches were practically a necessity, especially for folks with hectic schedules. While most watches still offer an advantage over phones in battery life, durability and accessibility, they seem somewhat redundant for everyday life today. Do you still wear a watch? If so, why? Is there some practical purpose? Just an old habit? Merely for style? If you've stopped wearing one, is it because you carry a phone?