So, what is it going to take to deliver all-day wearable AR glasses?

AR glasses have to be as comfortable to wear as regular eyeglasses or sunglasses. (Source: eBay)   A few weeks ago, I spotted an interesting article on the long-form “medium” platform from Avi Bar-Zeev. He's been at Disney, Keyhole (acquired by Google), Microsoft, Amazon, and Apple, and has had his own consultancy. After 30 years in the AR and VR business, his views are worth noting. Bar-Zeev's first product was a CAVE that used $250,000 in computers; he also was involved in a $100,000 Disney VR HMD in the ’90s. By 2010, he thought the market and technology might be ready to start