Somewhere over the Grand Canyon at 30,000 feet -- I was sipping from a plastic cup of cool water. The flight attendant swept by in short order with a plastic bag to collect the "trash." Not an hour later, along comes the metal cart (keep your knees and elbows in if you're on the aisle) with another drink service, and another hard plastic cup, including the funky-smelling, sandpaper-like logoed napkin. So what was wrong with the previous ones? I'd sipped from the cup which was completely unscathed, and never touched the napkin. I would have been happy to hold onto both for an hour to re-use for the refill. Even if I switched to soda, so what?

Jennifer Schwab: I'll Have the Can, Hold the Cups