Ключевые слова: app, boys, campus, cell, cellphone, chat, college, communications, concepts, connectivity, content, copy, cyberspace, desk, desktop, devices, digital, friends, games, group, grouping, hands, institute, interactive, internet, meeting, mobile, nerworking, online, people, phone, sharing, smartphone, space, technology, teenagers, telephone, telephony, top view, typing, university, wifi, wireless, wood, youth,