Facebook has been rolling out a slew of changes and new options, one of the latest being its so-called smart friend lists. This feature creates lists of a user's friends, automatically based on such criteria as work, school, family and city. Users do have some control -- they can opt out entirely. Or they can use the automatically generated lists to add friends -- without, Facebook promises, a lot of effort. Each of the lists has its own News Feed, where the user can see photos, status updates and other posts from the people on the list.
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