WHO, WHAT, WEARABLE Zazzi Prism While most wearable developers are consumed with shrinking device technology to dust-mite proportions, Zazzi founder Judy Tomlinson is more ­interested in “making beautiful jewelry women would want to wear anyway.” The Prism—a chunky cuff that displays texts, calls, and social posts on a full-color screen embedded underneath a rectangle of see-through Swarovski crystal—certainly reads more bauble than smart band. What we liked: Juicing up the Prism is as simple as plugging a standard-issue USB cord into its ­backside. No “charging box” (that will be instantly lost) required.   What we didn’t like: The button-free device needs to be controlled almost totally by a smartphone. But you’ll never lose your cell again—the Prism vibrates or beeps when it travels too far from its phone. Best features: Its big screen is easy t