Amazon's 2019 was full of headline-grabbing moments — everything from political fights to new records for the company that have upended the way we shop.
The big picture: The tech giant's year started with a fight with New York City and ended with its biggest single sales day in history. And there were plenty of dramatic days in between.
Elon Musk tweeted late Friday that his startup Boring Co. will have a transportation tunnel it's building in Las Vegas "hopefully fully operational in 2020."
Why it matters: Per Axios' Joann Muller, Vegas is the first paying customer for Musk's hyperloop idea aimed at easing traffic woes in highly congested cities, which began as a joke tweet in 2016. The transit system would shorten what would be a 15-minute walk to a one-minute ride.