http://www.lockergnome.com/subscribe/ - During the live filming of TLDR, Chris demonstrates a free heart rate monitor app from Azumio. He shows how you can detect your pulse, by placing your finger over the iPhone's LED flash. This app can help you monitor your heart rate, and keep you healthy.

You can get more info about Azumio here:
http://go.tagjag.com/azumio

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