Ключевые слова: access, allowed, authorization, background, book, business, coffee, concept, corporate, dairy, denied, desktop, digital, distributed, double, drawing, education, exposure, feedback, finger, fingerprint, hardware, identification, intelligent, internet, items, journal, journalism, lifestyle, lock, multi, notepad, occupation, office, pen, pencil, print, protection, room, safety, scanner, security, sketch, success, technology, textbook, think, verification, wall, wallpaper,