Got sent a link (thanks Simon) to an interesting tool designed to bring tag clouds to brands http://www.brandtags.net/
This very closely related to one of the core problems slowing the creation of the semantic web i.e. universal, consensus tagging of all online content. The crux of it all is the difficulty in coming up with a list of words that people will agree as describing any given piece of content. And in a number of different languages
Google has created a game to help them improve the semantics behind their image search: http://images.google.com/imagelabeler/ and if you play it a bit you’ll soon see how hard it is to get absolute agreement on tags.
Add in the other requirements of a semantic network i.e. relationship and context, and it becomes clear that a truly functional web 3.0 is something that will evolve slowly from high user involvement areas (e.g. image sharing) and more tightly content controlled sectors (e.g. health/medicine) rather than turn into the mass explosion of applications that web 2.0 was
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