Just ahead of the first public demonstration of Windows 8, details on the new UI (codenamed Mosh) and App Model (codenamed Jupiter) of Windows 7ís successor were made available.

At the end of the past week, additional information on codenamed Jupiter, which is reportedly designed to function as a new user interface (UI) library for Windows, was provided by Mary-Jo Foley.

According to third-party sources, with codenamed Jupiter, Microsoft works to make it easier for developers to enhance their applications with rich animation, typography and media capabilities.
Windows 8 Codename Jupiter Evolved, Leaked Info Outdated - Softpedia