All About Microsoft published a news story that Microsoft made available a public test build of its Windows Embedded Compact 7 operating system, the product codenamed "Chelan."

Embedded Compact 7 has been the subject of more-than-usual scrutiny, in that there have been reports that it will be the core of the Windows Phone OS 7.0 operating system that will power Windows Phone 7 devices. (Last I heard from Microsoft, officials were denying that Compact 7 will be at the heart of the first generation of Windows Phone 7 devices, in spite of statements by some Microsoft employees that claimed this would be the case. Still not clear on why the Softies are continuing to fan the flames of confusion due to unnecessary secrecy in this matter…)

  Microsoft delivers public test build of Embedded Compact 7 operating system