Following its pledge to improve privacy controls, Facebook is rolling out Off-Facebook Activity.
The platform is increasing its focus on Groups, where algorithms will have even more influence on the content users see.
Facebook founder Mark Zuckerberg has responded to mounting calls from the public to make its privacy measures more transparent. In a letter to The Washington Post, Zuckerberg said the social networking site, which has more than 400 million users, has heard the feedback and admitted that users currently find privacy controls "too complex".
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