Being open-source take a lot of pressure off of product developers, the public take over as the developer. Although that tends to be a slow moving machine, plenty has come from it. Just take Linux as the premium example.
I am not a big fan of Bluetooth. I found it to be rather susceptible to electrical noise. I suppose this isn't a life critical application, so it doesn't matter much.
Currently, you can find oximeters at WalMart for about $40. One of the fastest growing product categories in the action sports market is fit tech. It's been bubbling up at CES and OutDoorRetailer for years.
With bluetooth capabilty, it would be good if this device can be used with Nike+ or Fitbit.
Festo's BionicKangaroo combines pneumatic and electrical drive technology, plus very precise controls and condition monitoring. Like a real kangaroo, the BionicKangaroo robot harvests the kinetic energy of each takeoff and immediately uses it to power the next jump.
Design News and Digi-Key presents: Creating & Testing Your First RTOS Application Using MQX, a crash course that will look at defining a project, selecting a target processor, blocking code, defining tasks, completing code, and debugging.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.