Certified pre-owned

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A certified pre-owned car or CPO^{[citation needed]} is a type of used car. It is also used in references to guns and phones. The term "certified pre-owned was conceived by corporations^{[citation needed]} in order to find a more favorable alternative to marketing products as 'used,' which causes purchasers to impose their cognitive biases associated with 'used' items onto prospective purchases.^{[original research?]} There is no distinction or standard as to what is the difference between a used item and a certified pre-owned one, except that it is implied the certified pre-owned has been inspected and confirmed as working.^{[citation needed]} Inspection, refurbishing, certification of functioning and other methods are sometimes employed by companies, but there is no standard for what distinguishes that which is certified pre-owned from something that is used.