Earlier this week, we reported that Facebook had quietly activated a nifty new feature: smart friend lists that use algorithms to generate a handful of lists of your friends, coworkers, acquaintances, and people who live near you. Now Facebook is publicly announcing smart friend lists, and it has some additional details.

Friend Lists, of course, have been available on Facebook for years now. But most people never bother with them because they're a total pain — scrolling through hundreds upon hu [...]

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