But beyond this sort of obvious amateur detective work, what else can you learn about a person from just a glimpse of their social media profile pic? According to science, way more than you imagine.

This post originally appeared on the Buffer blog. One of the first things I do when I join a new social network is to upload a profile picture. But which profile picture should I choose?

You may not be able to judge a book by its cover, but a new study suggests you can judge future happiness by a Facebook ... Science, researchers find that smile intensity from a single profile ...

In the world of online dating, it's hard to convince your prospective significant other that you're not a creep if your profile picture is a ... in Psychological Science shows that you seem ...