George —
If you’re interested in the voice interface, start with the following article:

Why the voice interface is inevitable and its new paradigms have yet to be defined

…and you can really go down the rabbit hole from there:

End-to-end audio: The bridge to the next big thing

Apple’s HomePod: Threading a Needle

Why the Cloud and Privacy Put Apple at a Structural Disadvantage

The voice interface and disruption

In Da Clubhouse: Live audio and vertical social

Google positioned to win Tech 3.0

Followups: End-to-end audio is the bridge to the next big thing

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