[dangrossman]

The Metro design philosophy is the defunct Zune team's true legacy. Their work on the PMP went to waste mostly due to timing, but their design work has lived on in everything else Microsoft has done since. Virtually all the core tenants of Windows Phone and Windows 8's design, from typography as hierarchy to live tiles and colorful flat design, were first seen in the Zune desktop software and Zune HD's UI.

[CmonDev]

Very true, at least the rest of people were smart enough to keep evolving their concepts instead of going to mainstream same ol'.