News Is leaving Facebook the only way to protect your data?

Allegations that research firm Cambridge Analytica misused the data of 50 million Facebook users have reopened the debate about how information on the social network is shared and with whom.

Data is like oil to Facebook - it is what brings advertisers to the platform, who in turn make it money.

And there is no question that Facebook has the ability to build detailed and sophisticated profiles on users' likes, dislikes, lifestyles and political leanings.

The bigger question becomes - what does it share with others and what can users do to regain control of their information?

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