Ключевые слова: abstract, answer, argument, background, ballot, blank, box, calls, check, choice, closeup, concept, controversial, data, fbi, filling, form, hand, homeland, isolated, issue, list, mark, metadata, national security agency, no, nsa, opinion, option, paper, pen, petition, phone, policy, poll, protection, question, questionnaire, respondent, safety, security, sign, society, survey, test, vote, voting, white, writing, yes,