A new system called Collage is about to give major headaches to countries that censor websites. Users in these countries will be able to download stories from censored websites while seemingly visiting innocuous websites like Flickr. Collage relies on digital steganography, which encodes a hidden message into an image file, without changing the image. Although steganography normally requires special software to use, Collage is designed to be used without specialist knowledge. Once the hidden message is embedded in a Flickr image, anyone with Collage can download the message. Web censors will only see traffic flowing to Flickr, and not to the blocked website. Looks like Big Brother will have to resort to shutting out the entire internet in order to stop the flow of information. Read more: New Scientist
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