It can be a neat-freak's nightmare: A guest wears shoes into the house, spoiling white carpet with mud and dirt.
But some experts are saying asking the guests to remove their footwear is the rude act.
"It is the height of tacky to invite guests to your home and then require that they remove anything more than outdoor attire," Jodi R.R. Smith of Mannersmith Etiquette Consulting told the AP.