Tesla Full Self-Driving Beta is now available in the US & Canada. If you have a Tesla, give it a try — you'll love the improved highway driving. If you don't have a Tesla, time to order one. Watch in 4K: youtu.be/raLcSZLhFrI

@WholeMarsBlog A surprising number of people simply haven’t tried it yet, so have no idea

@elonmusk @WholeMarsBlog Just randomly turn it on in people's cars. See how that works out.