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Photo: Spencer E Holtaway

In a new blog post, Stephen Wolfram lays out some of the data from Wolfram/Alpha Personal Analytics for Facebook project. He looks at average network size;  how network size varies with age, gender, and location (among other things);  and, our favorite, what people talk about on Facebook at different ages:

People talk less about video games as they get older, and more about politics and the weather. Men typically talk more about sports and technology than women — and, somewhat surprisingly to me, they also talk more about movies, television and music. Women talk more about pets+animals, family+friends, relationships — and, at least after they reach child-bearing years, health. The peak time for anyone to talk about school+university is (not surprisingly) around age 20. People get less interested in talking about “special occasions” (mostly birthdays) through their teens, but gradually gain interest later. And people get progressively more interested in talking about career+money in their 20s. And so on. And so on.

(HT: Justin Wolfers