Ключевые слова: abstract, access, algorithm, allowed, authorization, background, business, center, city, cityscape, concept, creative, denied, desktop, digital, distributed, doodle, double, downtown, exposure, financial, finger, fingerprint, freelance, idea, identification, information, intelligent, interactive, lights, lock, math, office, pattern, print, protection, safety, scanner, security, service, singapore, skyline, skyscraper, society, startup, sunrise, technology, verification, view, webinar,