Macworld We’re all about multitasking these days. And since your smartphone probably handles the wake-up duties your old alarm clock used to perform, a clock has to bring something new to the game if it wants to keep its place on your nightstand. So, what if your new alarm clock doubles as a handy mirror? This cool mirrored digital alarm clock can certainly hold its own, offering style and substance on your bedside table. It’s now under $25 for a limited time. Boasting a large LED time display, you can set your preferred brightness option to enjoy a clear reading in either a 12- or 24-hour tim…