I'd like to get a pedometer to measure all of my walking, including that which I do indoors on carpet. I used to own a cheap pedometer some years ago that worked by having a little ball bearing or something inside that I could hear jiggling up and down on each pace but whatever was registering its movement didn't count most of the paces I was making on carpet, only those I made rather more forcefully outdoors on pavement (and then, not always). I'd like to buy a new pedometer to help me with pacing and Bruce Campbell's "energy envelope" stuff. Does anyone know whether there's a particular kind I should look for? This Omron one on UK Amazon, for example, mentions that it uses "acceleration technology" but that could mean anything, including a little ball bearing or something. I don't want to have to buy several before I find one that can do the job!