One of the best results of the advancement of the Internet and social media is the birth of outsourcing influencer marketing. It is the innovative and cost-effective marketing strategy that outsmarted traditional advertising, such as television, radio, and print commercials. In influencer marketing, the center characters are the social media influencers. Not all influencers are celebrities. Many of them are bloggers or content creators and successfully earned the trust and support of the public. They became the trusted resource of people who share authentic beliefs and information on different topics, products, and services that interest them via social media.