Ключевые слова: access, arm, authorization, biometrics, black, blog, businessperson, cell, cellphone, concept, digital, double, education, exposure, finger, fingerprint, fingertip, global, hand, identification, identity, implementator, indoors, interactive, lock, mobile, online, organize, permission, phone, print, protection, research, safety, scanner, security, startup, studying, success, symbol, target, technology, telephone, texture, touch, user, using, verification, worker, working,