Bluetooth LE [Low Energy] continues to make inroads in connectivity for remote healthcare and fitness devices, particularly sensor-based networks, with chipmaker Broadcom now on board.  Advocates see it displacing proprietary connectivity for personal area networks, much like Wi-Fi, and increasing connectivity with smartphones.  While ZigBee has been endorsed by the Continua Alliance for personal health LANs in the home and professional settings (our October article), one wonders if the distinctions are really that distinct anymore.  Gigaom article.