Finally someone else ever-so-briefly enters into the physical side of IT administration.
Rick Vanover discusses whether or not to put switches in server racks. In case that sounds like a really really dumb question, he's talking about very large, datacenter sized installs.
It's nice to see some sort of discussion about the physical arrangements of parts instead of just assuming that everyone knows the right way to do it (or even that there is a right way to do it) or that it doesn't matter.