Ключевые слова: advertisement, advertiser, advertising, advice, affiliate, affiliation, associate, branding, businessman, buzz, client, communication, connection, consumer, customer, e commerce, endorse, endorsement, feedback, internet, join, label, leads, marketing, mouth, network, office, online, plan, rate, recommend, recommendation, refer, reference, referral, review, share, spread, strategy, suggest, suggestion, tell, testimonial, using smartphone, web, website, working, writing,