Great post! I especially love
Get out of your seat. Stand up while you're talking on the phone, or riding the bus. It burns a lot more calories. Think how many you would burn if you reduced your "sitting time" 50%!
Give up the best parking spot. Park at the far end of the lot, and take a short hike to shopping.
It's something I could do daily and I'm definitely going to start parking farther away at work.