The New York Times is reporting that Apple and Google are working on wearable devices in the future:
"A person with knowledge of the company’s plans told me that a “very small group of Apple employees” had been conceptualizing and even prototyping some wearable devices.
One idea being discussed is a curved-glass iPod that would wrap around the wrist; people could communicate with the device using Siri, the company’s artificial intelligence software.
The brain that brings all these things together is the smartphone, which after all is really the first wearable computer. Researchers note that the smartphone is almost never more than three feet away from its user. It is often just inches from the bed during the night as well, and has replaced the alarm clock for many people."