The personal details of more than a fifth of Facebook’s estimated 500 million users have been “leaked” to the internet by campaigners highlighting its “terrifying” privacy fears.The list, which has been published in a downloadable file, contains the URL of every searchable Facebook user’s profiles, their names and unique ID. Campaigners warned the list, published on “Pirate Bay”, the world's biggest filesharing website, affected more than 100 million users on the social networking site.On Wednesday, the list was rapidly spreading across the internet being distributed and downloaded by more than 1,000 users, the BBC reported. One user described the list as "awesome and a little terrifying". But its publication provoked concern from privacy experts who said it proved Facebook’s “confusing” privacy settings were still apparent.

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