Stephen Wolfram analyzed Facebook data from over one million users of their Wolfram|Alpha Personal Analytics for Facebook:
Some of this is rather depressingly stereotypical. And most of it isn’t terribly surprising to anyone who’s known a reasonable diversity of people of different ages. But what to me is remarkable is how we can see everything laid out in such quantitative detail in the pictures above—kind of a signature of people’s thinking as they go through life.
There’s too much to cover here in a small post. Just go read the article - Wolfram’s work is always pretty interesting to follow.