Mark Zuckerberg recently shared that Facebook is revamping the news feed to prioritize content from friends over content from brands, businesses and publishers. Facebook’s stock price dropped 5 percent immediately following the announcement.

This change should not be taken lightly. While Facebook does update its news feed algorithms regularly, as Adam Mosseri, Facebook’s news feed vp, shared last week: “This one is bigger than the average tweak. It’s not a tweak.”

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