Xbox.com has an interesting article up titled Xbox Undercover: Who's watching the Xbox Live service?" which is well worth a few minutes to read just for itself, as it contains interesting information about how XBL is run and what an average day looks like.
Of course, it's made even more interesting for this tidbit:
11:30 p.m.
Shawn: Still rockin' the non-production networks. Some game developers are testing a game that begins with "H" and ends with "2".
Gee... wonder what that could be?