Not that we haven't been inundated with circuit-related fashion accessories in the past, but if you've already started thinking about what to get that lovely lad (or lady) in your life come February, look no further. SenseBridge, a research group with loads of passion, has just revealed the Heart Spark ($69, on sale now) -- a wearable pendant with an integrated wireless receiver, a smattering of LEDs and a wow factor that's downright heartwarming. The fortunate wearer must also strap a belt around their chest in order to monitor
