Matt Mechtley felt like publicly commenting (Operation Mindfuck) on all the billboards and advertisements and their audacious claims. He is also a big WikiPedia fan and decided that these ads need some of the little  tags as can be found in Wikipedia articles. He had some stickers made and distributed them to his friends and some of his blog readers with the request to put them on billboards, take a photo and then upload the photo to Flickr with the tag “citationneeded“.
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