| http://www.w3.org/ns/prov#value | - CHALLENGEBack in September 2000, we brought you a Case Study about JAM Communications, a direct marketing agency in Washington DC, which had garnered 400 qualified sales leads by running text ads in email newsletters that marketers read. (There is a link to the original Case Study at the end of this story.) By late November 2000, the sales team had worked their way through all of the sales leads fr
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