Remember that line from the movie,Dave? “We’re walking. We’re walking.”Well, today while walking on the treadmill, Iearned my 750 miles badge on FitBit.

I have tried more than one kind of pedometer in my effort to move more. I used the BodyMedia arm band for a while, but I kept ripping it off. It made me claustrophobic and irritated my skin. I’ve tried a couple of other brands, too.

But the FitBit Zip is my step counter of choice. The Zip doesn’t count stairs or sleep patterns. It tracks steps...