How do Facebook and Twitter personalize your 'smart' newsfeed? With scary science.

Jeff Rogers for WIRED.

Jeff Rogers for WIRED.

Steven Levy has a feature in the new Wired Magazine about the personalization technology behind Facebook's "smart" newsfeeds.

“We’ve grown accustomed to a world in which data flows by us, letting us dip into the steam whenever, wherever, and however we want,” writes Levy, who breaks down the algorithms and formulas the company uses to build your "personal feed."

Read: "Go With the Flow." []