Ключевые слова: application, browsing, cellphone, chair, chat, comment, community, connect, connection, contact, cyberspace, electronic, finger, follow, friend, friendship, global, group, information, internet, like, marketing, media, message, mobile phone, multimedia, network, networking, online, post, screen, share, shop, sit, smart, smile, social, social media, social network, student, tech, teen, teenage, touch, using, video, watching, website, wireless, youth,