Twitter has made a small but significant change to how deleted tweets are shown when they’re embedded in third-party websites. Since at least the end of March the social media network has started showing a blank box on external sites when an embedded tweet has been deleted. It’s a big change from how Twitter used to handle deleted-yet-embedded tweets, when it would preserve the original unformatted text. With this recent change, that text is now gone, leaving a hole inside any story that embedded it. Twitter is using its embedded Javascript to blank out the tweets. To see the original...