Hashtag Steganography


Steganography (/ˌstɛɡəˈnɒɡrəfi/ is the practice of concealing a file, message, image, or video within another file, message, image, or video. I recently saw someone tweeting the hashtag #ManchesُterDerby Do you see an odd character in the middle? It's an Arabic Damma (U+064F) - a vowel character. Although it comes after the "s" in Manchester, it appears after the "t" because it is a Right-To-Left (RTL) character. Yet, if you click on the hashtag with the extra character, you get through to …

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Twitter Hashtags and QR Codes


I spotted this poster today, encouraging people to search for the Twitter hashtag "#Transformers". Wouldn't it make sense to use a QR code as well? That way people could quickly scan, and be taken straight to the discussion, rather than have to fire up Twitter and do a manual search. As it happens, it's slightly tricky to make a QR code which searches for a Twitter hashtag. There are two things to note: Twitter's search URLs are annoyingly different from every other search URL on the …

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