Health & Fitness

March 18, 2014 7:01 AM

Reprogram your fat cells?

When Facebook bought WhatsApp for $19 billion, we wondered how a simple communication app (maybe it’s not so simple) could be worth more than half of all the NFL teams combined. (The average NFL team is worth $1.1 billion.) But it’s easy to underestimate the value of something if you haven’t seen it in action.

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