I just got back from a trip. Some things struck me (as usual) as I was out viewing the world. Here are some thoughts... I wonder how we ever got along without one of the most annoying and yet helpful inventions of my lifetime - wheeled luggage. I am really surprised at how civilization advanced to the point that we have with this technological marvel only being around for a short while. Everywhere you looked there was luggage (and backpacks, and briefcases, and computer cases) on wheels. In a crowded area, I would get my toes and feet run over multiple times. I was waiting in a cab line with several hundred other people going up and down through the maze of ropes, all of us pushing or pulling our wheeled marvels. In fact, the one guy I saw that was NOT equipped with wheels was quite noticeable. We of the wheeled wonders would whip wildly through the winding path while he kicked, slid, tossed, dragged, and otherwise schlepped his belongings a foot or two at a time. By his lack of lugga