Mac OS X 10.9 ("House Cat") running on a Haswell-based MacBook Air would, of course, sleep very efficiently.
Instead of "Wake on LAN", it would "Wake on CAN". (Or is that, "Insist on CAN"?)
The Safari home page would be a YouTube cat video, or perhaps "I Can Has Cheezburger".
(and no, I...
That name is terrible. They would have done much better to switch to house cat related names, starting with Mac OS X 10.9 (lives), "House Cat" (which could "purr-fect" features introduced in earlier releases). The releases after that could use cat breed names ("Siamese", "Persian"), coat...