Remember the hokey demonstrations of hypnotism, where people are given commands to honk like a duck when a bell rings? Substitute podcasts for the hypnotists and a hyperlink for a duck quack and you've got Apple's latest patent application.
The application, published Thursday by the U.S. Patent and Trademark Office, outlines a way to encode device commands in audio signals. While Apple uses the example of enhanced podcasts which embed commands to visit a webpage or view an image stored on your device, the technology is also seen as a way to include ads in the upcoming iTunes Radio service...