Publisher in affiliate marketing is a company or individual who promotes the products and services of another company and earns a commission for the referral. Publishers often use websites, blogs, email campaigns or social media to promote the products of their affiliate.Publishers can use various creative methods to promote their affiliate’s products. These can include content marketing, such as writing blog posts or creating videos that showcase the product. Publishers may also choose to run advertisements for their affiliate’s products. Additionally, publishers may use pay-per-click (PPC) marketing to generate leads and sales.For example, a publisher may create a blog post that reviews a product they are affiliated with. In the post, they may include links to the product's site where customers can purchase it. The publisher would earn a commission on any sales they referred to the company. They may also run a PPC campaign to generate leads, where they would pay for each click that leads to a purchase.