Apple on Thursday clarified its guidelines on its HomeKit home automation platform and its ability to "play well with others" in terms of third-party automation products and their own connectivity platforms. The iPhone maker will allow HomeKit products to be compatible with some competing protocols such as Zigbee or Z-Wave, but there are limits to the compatibility allowed. In addition to requiring an Apple TV for outside-the-local-network remote appliance control through Siri, the unit can act as a bridge to third-party devices.
