Ключевые слова: acquire, advertisement, affiliate, analysis, analyze, browser, business, click, commerce, concept, content, cost, cost per click, cpc, database, ebusiness, ecommerce, emarketing, engine, management, marketing, media, method, network, online, optimization, pay, payment, per, phrase, ppc, quote, result, revenue, sale, search, seo, service, site, system, target, technology, text, typography, visitor, web, website, word,