Ключевые слова: acceptance, agreement, app, application, approval, background, business, businessman, career, closeup, computer, concept, contract, corporate, data, device, digital, document, electronic, employee, hand, identification, identity, indoors, internet, male, man, management, manager, network, note, office, online, paperless, pen, person, professional, screen, security, sign, signature, stylus, table, tablet, technology, transaction, using, virtual, web, working,