Facebook sued over alleged private message 'scanning'

Facebook is facing a class action lawsuit over allegations that it monitors users' private messages.

The lawsuit claims that when users share a link to another website via a private message, Facebook scans it to profile the sender's web activity.

It alleges that Facebook systematically intercepts messages to mine user data and profits by sharing it with data aggregators, advertisers and marketers.

Facebook said the allegations were "without merit".

"We will defend ourselves vigorously," the world's biggest social networking site added.

The lawsuit is claiming the greater of either $100 (£61) a day for each day of alleged violations or $10,000, for each user.

'Profitable opportunity'

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“The lawsuit, filed earlier this week, cites indep 

It says this is "because users who believe they are communicating on a service free from surveillance are likely to reveal facts about themselves that they would not reveal had they known the content was being monitored.

"Thus, Facebook has positioned itself to acquire pieces of the users' profiles that are likely unavailable to other data aggregators."

Criticism

Facebook has come under attack over its privacy policies in the past.

In September last year, it faced criticism over a proposed change to its privacy policy which would have allowed ads to be created using the names and profile pictures of Facebook users.

The firm had claimed that its proposal merely clarified the language of its privacy policy, rather than making any material changes to it.

Facebook undertook to change the wording in the wake of a legal action launched in 2011 which saw it pay $20m to compensate users who claimed it had used their data without explicit permission.