Part of Alice Wang's Chairs for the Dysfunctional collection, the Constant Shaker chair measures and displays the number of calories your body burns while fidgeting in your seat.
...Or you could just calculate your Basal Metabolic Rate (BMR). I'm burning somewhere around 85-90 calories/hour just sitting here doing nothing. Which entitles me to one Michelob Ultra every hour on the hour.
[via MoCo Loco]