[lotsofpulp]

Commuting is sitting in a car for 90%+ of Americans.

[oblio]

But then you're in an office and you have to move around. Maybe go out to lunch at a cafeteria.

I wore a pedometer for a while. While I was working from the office I was averaging about 8000 steps, while during a full day at home sometimes the average was as low as 800 steps.

[slothtrop]

90% of Americans live in suburbs now? No, many either live close to work or take public transpo.