Ключевые слова: abstract, account, background, blog, blogger, bubble, businessman, cartoon, character, clerk, cloud, collection, communication, community, crowd, different, employee, employer, face, group, human, icon, internet, male, man, manager, media, member, network, office, overcrowded, person, seamless, select, shop, sign, silhouette, siut, social, symbol, talk, thought, web,