Facebook to stop stalking you off-site – but only if asked

Off-Facebook Activity has been more than a year in the making and fulfils a pledge made by Mark Zuckerberg at last year's F8 developer conference to give users greater control over how their data is used.

Facebook to stop stalking you off-site – but only if asked

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Facebook is drawing back the veil to show what data it collects on users.

Many may not like what …