FILE – In this Thursday, Jan. 4, 2018, file photo, a man demonstrates how he enters his Facebook page as he works on his computer at a restaurant in Brasilia, Brazil. Facebook is once again tweaking the formula it uses to decide what people see in their news feed to focus more on personal connections and take the spotlight off brands and news articles. Facebook says it will highlight posts people are most likely to engage with and make time spent on social media more “meaningful.” (AP Photo/Eraldo Peres, File)