NB IoT progress

some telecom operators are trying NB Iot technology.

http://connectedworld.com/pre-standard-nb-iot-trial-proves-successful/

http://www.wireless-mag.com/News/40683/huawei-and-vodafone-to-create-strategic-nb-iot-open-lab.aspx

https://www.telegeography.com/products/commsupdate/articles/2016/02/22/singtel-and-ericsson-to-work-together-on-nb-iot-trial/