Unlike Facebook, the dominant color of MeinVZ--a StudiVZ networking site aimed at professionals--is orange, but the design of the Web site, including lefthand side bar, with links to groups, messages, profile and messages, and a wall, would seem rather familiar to any Facebook user.

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By design, systems of record are records-centric, revolving around enterprise data, documents, messages and their surrounding business processes.

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Hence, the re-design, which allows Twitter to sell ads in a way that would not disrupt the flow of messages.

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