Ключевые слова: advertising, background, blogging, button, comment, community, computer, connect, connection, content, design, email, empty, finger, friend, gesture, graphic, hand, homepage, icon, interaction, internet, like, marketing, media, message, net, network, on line, online, photo, poster, share, sign, social, space, symbol, template, text, thumb, thumbs up, up, web, website, white,