(Telecompaper) At its Worldwide Developers Conference, Apple announced new Siri capabilities and single sign-on for Apple TV, available for Apple TV users in 12 countries. The new Siri features and functionalities include searching for films and YouTube by topic or theme, Live tune-in whereby users can ask Siri to go directly to a live channel inside a supported app such as "Watch CBS News" or "Watch ESPN, and Manage HomeKit accessories. These will give Apple TV users the ability to ask Siri to "Turn on the lights" or "Set the temperature to 70 degrees." Users will be able to control HomeKit accessories when away from home or use it for home automation with the Home app on their iOS device.