Flew last week. Snack service in F. I had an empty seat next to me, which was great, until the guy a row behind me on hte other side decided to use the seat as his trash bin for his ampty snack stuff. I couldn't believe the audacity! And of course not an attendent in sight to pick it up. So I moved the stuff to the armrest, at which point the guy who put it there said, "I didn't realize this would offend you."