SAP's TomorrowNow offers third-party support for businesses that use PeopleSoft software.

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Last month Anthony Scott, the chief technology officer for General Motors, had executives from Oracle, Microsoft, PeopleSoft and other software houses in for a reaming.

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And Workday's co-CEOs are Aneel Bhusri and Dave Duffield, who used to run software maker PeopleSoft, also bought by Oracle.

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