Ключевые слова: ad, advertising, agency, analytics, article, audience, background, banner, business, company, concept, content, course, cover, data, digital, elements, idea, illustration, internet, landing, like, manager, marketer, marketing, media, metrics, network, online, page, presentation, promote, promotion, reach, response, service, share, smartphone, smm, social, strategy, successful, tactic, target, training, viral, virality, web, website,