Perhaps riding a bike for 1-2 hours a day is fine, but when large populations of people are "riding bikes" specifically engineered to make us desperately pedal for 5-10 hours a day I think something is very wrong.

I'm a HUGE fan of your books and writings but I think perhaps we really shouldn't ignore the fact that excessive social media usage needs to be scrutinized.

- With all due respect, a frustrated (with social media) millennial