It's easy to forget the commitments you shared with family and friends in the fading hours of 2010. That's the trick with New Year's resolutions: They rarely stick for very long. We can often chalk these failures up to faults in our hard-wiring; as scientists have shown, our best intentions rarely rule the day. But over the last 12 months I've been interested in looking at how social networks might tip the balance in your favor.
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