We've been seeing Bluetooth make more and more inroads into fitness gadgets as of late, and it looks like the Bluetooth Special Interest Group is intent on seeing that trend continue. It announced the formation of a new Sports and Fitness Working Group today, which will be tasked with increasing the interoperability between wearable gadgets and other sensors and so-called "hub" devices like smartphones, TVs and gym equipment. That's a fairly natural fit for Bluetooth now, but it's taken until Bluetooth 4.0 for the standard