The evolution of the internet of things will certainly rely on wireless connections in many cases, but it remains unclear which mixture of technologies will dominate, and which companies will control them. Industrial giant GE’s purchase of Canadian cybersecurity firm Wurldtech highlights two things we do know ‘ security challenges will be massive, and the controlling influences will often be firms new to wireless service provision. While Google plays with thermostats and glasses, GE is having a more profound influence on how machine-to-machine morphs into the ubiquitous internet of things (IoT), notably with its Industrial Internet initiative. This began as an inhouse project to connect all the products, from huge plant machines to appliances, which GE makes. It has now…