> one can type and use a mouse just fine while walking on a treadmill, at least up to—for me—a speed of about 2.5 mph. Anything you can do while typing and tal

> one can type and use a mouse just fine while walking on a treadmill, at least up to—for me—a speed of about 2.5 mph. Anything you can do while typing and talking on the phone isn't much exercise. This seems far more annoying and inefficient than simply taking a 10 minute 5-6mph jog on the treadmill around the block before lunch.