That embarrassing party shot of you and that hot dog may still come back to haunt you - photos posted on social networking websites can often be easily viewed even after users attempt to delete them, according to a study by security researchers at the University of Cambridge. Researchers posted photos on 16 social networking and Web 2.0 websites, keeping a careful record of the URL associated with the photos, before deleting the images. Even after this supposed deletion the researchers were able to find the photos on seven of the 16 websites a month later, simply by visiting the web location associated with the image.

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