Track your happiness
Can the Apple iPhone measure your happiness, asks Jenna Wortham on the New York Times Bits blog.

“Matt Killingsworth, a doctoral candidate in psychology at Harvard University, thinks the phone might at least help researchers gather some data about it. Mr. Killingsworth, a former software developer, has helped create an application called “Track Your Happiness” for the iPhone to collect information to determine which factors are associated with happiness.”

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