Visa, MasterCard (MC) and JCB cards are the most widely accepted credit cards in Cambodia. AMEX is coming into wider use, as well as the new ANZ Bluespot card. Diners Club (DC) is accepted at very few place.
Microaggression is a term which some use to refer to unintended discrimination. Psychiatrist and Harvard University professor Chester M. Pierce coined the word microaggression in 1970 to describe insults and dismissals he said he had regularly witnessed non-black Americans inflict on African Americans.
Microaggression: A Not So Subtle Growth in Usage A comment or action that is subtly and often unintentionally hostile or demeaning to a member of a minority or marginalized group Update: This word was added in February 2017.