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If you’ve ever pixelated an email address or blurred a phone number before putting an image onto the internet in order to protect someone’s privacy, I’ve got bad news for you: Researchers at the University of California-San Diego have found that the popular Photoshop redaction techniques are decodable such that the underlying text can be read. The researchers were able to recover text from a variety of redacted screenshots that they found online, said computer science professor Hovav Shacham by email. They were, for example, able to figure out the blurred email address in this screenshot