Disclaimer: Wearer of Benetton glasses that I know are mass produced and overpriced when classified merely as glasses.
That sounds like an enviable position for lots of companies. At the same time, it provides insight into current internet heavy hitters' strategies. For example, Google's fiber networks and internet tools (Chrome, JS libraries, etc) are probably all designed to improve the efficiency of their cash cow (search).
One thing the article didn't touch on was comfort. I hated wearing sunglasses until I bought Oakley Zeros years and years ago. They were so light you could forget they were on.
The next time I need glasses I'll go out and try to find some cheaper ones that fit my criteria instead of being lazy and just picking up another pair of Oakleys :)