What can the Apple Watch–particularly a $17,000 Edition model–tell us about fine art sales right now?

I started thinking about this question after watching the video embedded above. (Note: You'll have to click through the 'Read more' button to see it if you're just on the general blog page.) It’s a 16-minute presentation by NYU Stern School of Business professor Scott Galloway at this year’s DLD (Digital-Life-Design) Conference. Galloway’s topic is what he calls the Four Horsemen, or the four most dominant companies in digital today: Amazon, Apple, Facebook, and Google.