The Wireless Lightbulb
...or, at the very least, an access point disguised as a low-power lamp. We're not quite up to the point where we can provide wireless power, but we can at the very least provide Wi-Fi access where we have power (which seems much more reasonable and even environment-friendly).
Cabling and Elbow Grease
If you have anything at all to do with equipment racks, check out Rackview, a nice Web front-end to manage rack layout, energy needs, etc.