Ключевые слова: advertisement, advertising, advice, affiliate, announcement, background, bonus, business, client, communication, consumer, contact, content, customer, earn, friend, internet, job, loyalty, marketing, money, network, online, partnership, people, plan, planning, policy, product, program, progress, promote, promotion, recommend, recommendation, refer, reference, referral, review, reward, service, share, social, spread, strategy, suggest, suggestion, team, tell, word,