Ключевые слова: abstract, access, allowed, authorization, background, brick, business, computer, concept, denied, desk, desktop, digital, double, estate, exposure, finger, fingerprint, floor, future, home, idea, identification, innovate, interior, keyboard, laptop, lock, loft, math, modern, multi, network, notepad, office, online, opportunity, paper, print, protection, report, safety, scanner, security, sketch, software, success, technology, verification, window,