Love this. I also noticed that a large percentage of Americans thinks they MUST use the express checkout if they have less than N items even if the line is super long and the regular checkouts have a very short line.
"Elderly Fla. man attacks Wal-Mart customer in express lane dispute: report"
http://www.washingtontimes.com/news/2014/jan/13/elderly-florida-man-attacks-walmart-customer-over-/