The semantic web is about URIs, and every idea needs a URI. Each of my blog posts already got one, but now also in printed form. Look to the lower right, a mobile-phone readable QR code. Technically this all is age-old and I loved it already years ago when semapedia had its "uh-ah". The Nipponese, in the meantime, went for the full monty and covered their island coast-to-coast with QR codes, so ... Continue reading