HomePod owners may not necessarily have to even call out the word " Siri " in future, with Apple researching ways to use gaze detection for a device to know it's wanted. If you have multiple Apple devices, then you know that it's difficult to get Siri to respond on the one you want. When you are in a room that contains an iPhone , an iPad , and a HomePod mini , Apple has all sorts of systems to assess which device you want, but they routinely fail. Furthermore, not everyone feels comfortable with the "Siri" prompt, even if it is better than the original "Hey Siri" one. You can still say either version, and so can your TV set — it's common for something said on a show to be close enough to "Siri" that it prompts a query you didn't ask for. Then there is also the possibility of users needing to interact with devices without using their voice at all. There can of course be situations where a command needs to be issued from a distance, or where it could be socially awkward to talk to the device.…