article_snippet: For some, just the idea of tracking steps and calories is enough to make steps and calories exercise - but many of us need much more of an incentive.
article_snippet: So designers in Austin have created a concept app that rewards you for working out by turning your heart rate data into virtual currency.
article_snippet: The app only works with fitness trackers that monitor heart rate and have open source software, which includes the Jawbone UP3 and Mio.
article_snippet: During the demonstration, designer Grant Nicol wore a Mio band and ran on a treadmill for three minutes and 40 seconds.
article_snippet: designer Grant Nicol heart rate raised to 115 beats per minute and this mined around five cents.
article_snippet: Or sportswear firms could offer discounts when bought using virtual currency earned through the app.
highlights_snippet: Concept technology syncs with fitness trackers, such as the Jawbone, to monitor heart rate .
  