There exiss a trend in social media, such as AR and Facebook, to use old photos of ourselves, maybe even from the high school yearbook.

The expressions in those old photos may reveal more than we know. "Thin slices' of information can predict significant aspects of personalities, new studies tell us.
A recent study at dePauw University predicts more accuratelly than not-- grim expressons in family snapshots could mean more than a bad mood, it can signal that the person is more likely to get divorced than someone with has a big smile for the camera.
Hmmm maybe this photo of Mel Gibson earlier in life predicts his current divorce from wife Robyn.
Other research docusments that smiles can be accurate indications of personality. For more information check out the Mat 2nd issue of THE ECONOMIST or click here
Now, if they can predict whether the expression on the potential buyer's face means they will buy~

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