Ключевые слова: advertisement, advertiser, advertising, affiliate, analysis, background, book, business, campaign, click, colorful, concept, content, ctr, design, desk, education, flat, handwritten, illustration, management, marketing, media, message, network, note, notepad, office, online, optimization, paper, pay, payment, rate, revenue, sales, search, sign, social, strategy, table, target, text, through, traffic, visitors, website, wood, wooden, workplace,