http://thoughtcatalog.com/michael-koh/2013/11/16-people-on-things-they-couldnt-believe-about-america-until-they-moved-here/ 

"Extreme sensitiveness towards race and religion. People tend to be very sensitive about racial and religious topics. I was embarrassed to ask a Costco employee where the white chocolate was because I was afraid she would tell me I was a racist."

"That our bathrooms include the toilet *and* the sink. Clothes washing machines. That I’d never washed clothes by hand before going there was comical to them. That our showers are hot water. Always. Boggles the minds."