In 2021, the deliverators are robots (Dominoes Pizza Nuro N2 - https://selfdrivingdelivery.dominos.com/en)

Movies, music, and microcode are holding up pretty well, for that matter.

There are still more Walmart employees than Amazon employees.

You have a friend in the family

paid for by the Our Thing Foundation

Fun fact: the name of the service AWS Sumerian comes from Snow Crash!

He got so much right on that book it's downright eerie

The cyberpunks were by far the most prophetic of all sci-fi writers. William Gibson didn't get the specifics right as he knew little about actual computers, but he really nailed the zeitgeist as well.

What book is being referenced?

Snow Crash. It's equal parts great and wacky