For me, one of the most surprising things at Amazon’s lavish Alexa+ event earlier this week was what didn’t happen. A little backstory: Amazon traditionally trots out its latest devices, including Echo speakers,

Alexa Plus is here but it's only supported by four Echo products as of now, and won't be supported by more than half a dozen Echo devices.

Amazon debuted a more sophisticated version of Alexa on Wednesday that’s more conversational and can handle tasks on your behalf. But in a surprising departure from its usual playbook, the company didn’t announce new Echo devices to go with its revamped digital helper.