Around half of U.S. adults who use Facebook say they do not understand why certain posts but not others are included in their news feed. Older users are particularly likely to say they do not understand the workings of the news feed.
About Pew Research Center Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.