A to Z comes up quite a bit with Amazon. The claim is that "Amazon's selection goes from A to Z".

Amazon has a development center named A2Z. There's also Lab126... Lab 1-26... Lab 'A'-'Z'.

Amazon Fresh is a little different.

The Fresh warehouses do have cold storage. They are delivered to you in totes/containers with appropriate amount of dry ice.

Same day delivery by drivers that directly work for Amazon.

(Full-on joking: you enter the credentials in binary) You press one of the buttons until it goes into AP mode and it beeps. Connect to it and provide your actual WiFi credentials and away it goes.

Can't do speech recognition since that's done in the cloud and won't work without a Internet connection.

Its rubberized. Would be pretty hard to open a beer bottle with it. :)

A lot easier. I imagine you have never opened a beer bottle with a paper handkerchief?

This is precisely how it works.

You say things to the mic or scan items and they show up on your Dash list. From here, you can add them to your cart to check out.

Generic things like eggs, milk etc will default to the item you typically would order, so there is an aspect of personalization to it as well.