Anyone in the business world knows that sometimes, it's really hard to stay focused during those long, boring meetings. Personally I've all but given up trying to stay focused, so I do sketches at all meetings now. Strangely, it actually helps pay attention... perhaps merely by virtue of the fact that sketching keeps me awake? I'm not sure.
This is the cab to some sort of truck I sketched awhile back. Never did get a chance to finish it though, as the meeting that spawned it was mercifully short.
Click on it for a larger version, which is something new I'm going to be doing from now on. Also do note the quality, blue lined paper this was drawn on. Yay, office.