Ключевые слова: ad, advert, advertisement, advertising, adwords, alphabet, analysis, background, block, blue, business, click, commerce, computer, concept, content, creative, design, engine, fee, information, internet, keywords, letter, letters, marketing, message, network, online, pay, pay per click, payperclick, per, phrase, positive, ppc, search, sign, strategy, symbol, technology, text, traffic, visitors, web, website, wood, wooden, word, words,