| http://www.w3.org/ns/prov#value | - Targeted advertising is all the rage these days, perhaps best exemplified by Google Adwords, with many other services and companies - notably including Microsoft and Yahoo! (who are mentioned by Dyson, along with some newer players such as NebuAd, Project Rialto, Phorm, Frontporch and Adzilla) - jockeying for a piece of that pie.
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