Ключевые слова: abstract, assistance, background, business, call, center, circle, cloud, communication, computer, concept, connection, consultant, customer, data, design, earth, element, flat, global, globe, headset, icon, illustration, infographic, information, internet, layout, map, marketing, mobile, network, online, operator, phone, service, set, shape, sign, support, symbol, system, technology, telephone, web, website, white, work, world,