All PCs connected to ADSL share the same dynamically allocated address.
Toshiba wanted to add 3D animations to the electronic manuals of all their portable PCs.
Avoid placing it near a downstairs window; it tells potential burglars that you have one or more PCs in the house.
The first is, of course, Banality, which will keep changelings away from most mundane interactions with other PCs.
Meta Group recently predicted the demise of desktop PCs over the coming few years, in favor of portable computers.