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There’s a lot to talk about here.

- What is a hub?

- Pi like computer

- ZigBee radio

- Z-Wave radio

- WiFi radio

- Alexa, Google Home are not a hub exactly

- Philips Hue (ZigBee but not everyone’s)

- TCP (gone and forgotten)

- SmartThings – good hub but things are changing

- Old hub will need to be replaced to add more features

- Wink – disappeared in the Wink of an eye

- Other vendors – hub’d to death

Quick note on EOL and Bionic eyes