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scan – v. to examine or study all parts of something carefully
unlock – v. to open or free; to undo
detect – v. to discover what something is
screen – n. a flat area on an electronic device, such as a television or computer
retail – n. the sale of goods to individuals in relatively small amounts for use by them, not resale
shave – v. remove hair from the face by cutting it close to the skin
creepy – adj. strange and possibly frightening
factor – n. something that influences a result
anonymous – adj. not identified by name
demographics – n. qualities of an individual, such as age, sex, and how much money they make
