"Proper" pair programming, in the original Extreme Programming sense, always involves two people sitting at a single computer (or, if you have to pair remotely,

"Proper" pair programming, in the original Extreme Programming sense, always involves two people sitting at a single computer (or, if you have to pair remotely, two computers with screen-sharing/similar and some form of voice/video chat). In an ideal world (e.g. the way a place like Pivotal does it), you've got two mirrored monitors, two keyboards, and two mice.