A nice idea, on IFA connected coffee machines got presented: your smart watch tells the coffee machine, which coffee your body needs, strong, decaf, you name it. read more here (german only)
Brining that to the next level, if you got high blood pressure, your smart watch will close the salt shaker and blocks the coffee machine. The block can only be removed by your doctor at an appointment automatically made. It will also send alerts about your health condition to your loved ones.