Apple TV 4K review: The ultimate iTunes box has finally arrived

For a device that was at the forefront of the home streaming revolution, Apple TV has always been a bit behind the times. The first generation required a computer to stream content. Third-party app support didn't arrive until the fourth generation. And it's only the most recent model that embraces the most popular video standards. It would be easy to dismiss Apple TV 4K as a me-too release.