Let's list marketing cloud vendors: Adobe, Salesforce, Oracle, IBM and…Nielsen? Who knew? The Nielsen cloud was announced last April (no, not on April 1). As you might expect, the Nielsen cloud is mostly about data, including cross-device profiles, a Data Management Platform for audience creation, and several types of analytics. It feeds data to other systems for execution. Nielsen just announced a connector for personalization vendor RichRelevance. It will provide demographics, interest, and intent data on otherwise new and anonymous Web site visitors so that RichRelevance can tailor their treatments..