This week in the IoT, Sony is working on a detachable smart glass display for those who already have spectacles, is crowdfunding its Qrio smart door lock in Japan, and Gigaom reviews Ringly, a Bluetooth notifications ring aimed at women. Nest has added voice control to its thermostat, but only on Android for the time being, and Xiaomi has made a $200m investment in home appliance maker Midea to work on smart home products. NEC announces that it is the first company to test the new oneM2M service, from its Cloud City Operation Center, just a few days after SK Telecom and LG U+ announced their launch of the oneM2M-based Mobius platform. Orange’s Mobistar subsidiary has announced that it has…