Ars Technica reports about Project Athena:
Google-watchers may have already head about "Project Athena," a Chrome OS-related experiment of Google's that has appeared in the Chromium source code a few times in the past. Today we got our first official look at the new interface via Francois Beaufort, a Chrome enthusiast who was hired by Google last year after leaking several high-profile Chrome features.
It looks a heck of a lot like Material Design and Android L UI behaviour coming to Chrome OS. Fascinating to see where this is going, but one thing appears to be clear: in the tug of war between Chrome OS and Android, the latter has won.