Interesting that you consider earbuds in the same category as HA.
Really? You wouldn't consider a PC, Apple, or Pi device part of your automation setup.... or the human interface like a mouse or keyboard.
Sure once a....
VERY long time ago (like Tuicemen posted)... many of us moved past the PalmPad's and such. I guess.... we could create sub-sets of our automation set-up's... somehow. Maybe use property lines or apartment boundaries as the limits for HOME automation. Then even create sub-sets of the HOME... like lighting, coffee makers, entertainment, sprinklers. And sub-sets of the sub-sets.... such as cloud-based and non-cloud-based, computer controlled, and human manipulated (manual button pushing)?
OR.... maybe it's all just one natural extension of the Smart Home high tech automation. Which in my mind at least includes the use processors, human interfaces, cloud, AI, and even earbud technologies.