The Open Handset Alliance -- the raucous group of firms officially supporting and contributing to Android's development -- has added a staggering 13 new members today, including Freescale (Moto's former chip unit) and China Telecom, China's EV-DO carrier. DevelopingOpen Handset Alliance adds 13 members originally appeared on Engadget on Tue, 05 Jan 2010 12:43:00 EST. Please see our terms for use of feeds.