Facebook keeps deleted photos for years

Facebook has been slammed for keeping photos deleted by users for as long as 30 months.

It has admitted it had been keeping deleted photos for a 'limited' amount of time. However, users who have kept the direct link to photos that were originally uploaded on Facebook have been able to still gain access to them months, even years after deletion.

Source: Sydney Morning Herald

The revelation comes as encryption expert and author Bruce Schneier slammed the site at the RSA Conference in London, saying social networking companies were deliberately killing privacy for commercial gain.

The Facebook photo matter centres on what is known as a content delivery network, or content distribution network (CDN), which stores multiple copies of content on servers around the globe.

Facebook uses such a delivery method when you upload a photo to the site. However, when you delete your photos from the site, despite them being removed from view, if you still have the image's direct URL it may still be accessible for a period of time after its removal.
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The question is, how long will people take to understand that uploading photos is not safe? 😡