The Odoo Social Marketing plugin benefits customers by allowing them to easily connect their existing website or store with various social media accounts such as Facebook, Twitter, LinkedIn and Youtube. This plugin makes it easy for customers to promote their business and products on social media by automating and simplifying the process. It also allows customers to quickly and easily view and respond to customer comments and conversations on their social media accounts. Additionally, customers can use the Odoo Social Marketing plugin to track the success of their social media campaigns with built-in analytic tools.