Ключевые слова: abstract, advertise, advertising, affiliate, background, business, campaign, chart, clean, colorful, communication, concept, connect, consumer, corporate, creative, data, diagram, global, graph, graphic, group, growing, illustration, infection, internet, isolated, market, marketing, mass, message, mouth, network, of, online, people, refer, referer, spread, strategy, technology, tell, upload, uploading, viral, virtual, virus, web, word, www,