[mygo]

It's not about whether you've been on your feet. It's about whether you've been moving that hour. The health benefit comes from moving on your feet every hour. When you're standing still for an hour you might as well be sitting.

[RBerenguel]

The thing is, I'm not standing for hours, I move around, specially when thinking through a problem. I'd expect the system to realise there has been a change there.