- Nintendo partnered with Panasonic to create the activity meter
- testers wore a special mask to measure the tester's breaths in order to determine how much carbon dioxide is exhaled
- they also had to run on treadmills for a long time
- the Pokewalker was the base for the activity meter
- you can place two Fit Meters next to each other to compare activity levels
- you can't accurately measure calories burned for a dog, so a dog's activity units are called AniMETs