Thought a few of you might be interested in this, shown last night on BBC2.
Featuring great views of the Queen Elizabeth Olympic Park it compares a fitness phone app with a Fitbit tracker and a TomTom Multisport Cardio GPS watch.
What's not to like?
What to Buy and Why, Episode 1: bbc.co.uk/iplayer/episode/b... via @bbciplayer
PS available only in the UK