> I think modularity is really key here. As long as you can replace or update each component individually without impacting the rest of it, you should be good.

> I think modularity is really key here. As long as you can replace or update each component individually without impacting the rest of it, you should be good. That's exactly it: the ability to easily swap out components, and then high levels of interoperability. I think I perhaps didn't express myself so well because I'm broadly in agreement with you. It's the phone home aspect that often makes smart devices a problem.