Ключевые слова: analysis, business, businessman, businessperson, click, commerce, completing, content, data, database, ecommerce, feedback, flow, formal, hand, host, information, international, internet, keywords, marketing, module, network, online, optimize, pay, payperclick, per, pointing, ppc, server, service, suit, system, technology, text, tie, typography, visitors, web, website, words,