Yep, I carry my IPhone on the running track or long walks. It has an excellent stopwatch and a free reasonably accurate pedometer app.
For real precision a simple wristwatch or stop watch is best. Has worked for >100 years. Do a measured mile in 4.000000 minutes and you're in shape and surely trim.
Real jocks won't be using fitbits... just overweight fat-camp kids and housewives. There's going to be a stigma attached to these bands. Kinda like owning a bunch of Richard Simmons video tapes. LOLOL!
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