We have already covered Pavlok, which is a wearable device that shocks you to help you change your bad habits. They are not the only company working on these wearables. A recently published patent application from Microsoft describes a wearable computer that provide electrical stimuli to the skin of a user when there is a new message. The device will also shocks the user to provide directions.
In the application, Microsoft explains that this device could be used to inform “the user of a condition of clothing worn by the user.” When we will see such wearables from Microsoft remains to be seen though.