Ключевые слова: acronym, ad, advertiser, advertising, affiliate, black, business, button, campaign, click, concept, content, ctr, design, digital, flat, graphic, hand, icon, information, internet, management, marketing, media, money, network, online, optimization, outline, pay, payment, per, ppc, rate, revenue, sales, search, sign, social, strategy, symbol, target, technology, text, through, traffic, visit, visitors, web, website,