That's funny, because I made such stickers that I put in Paris subway on top of ads: http://emotion.inrialpes.fr/people/synnaeve/index_files/qr_wiki_rdm_en.png

That's funny, because I made such stickers that I put in Paris subway on top of ads: http://emotion.inrialpes.fr/people/synnaeve/index_files/qr_wiki_rdm_en.png http://emotion.inrialpes.fr/people/synnaeve/index_files/qr_w... that redirect to a random Wikipedia page...