WordPress is free and easy to use blogging and content management system. It allows users to quickly install and begin building a website or blog in just 5 minutes. Key features include creating blog posts and pages, adding links and tags, customizing the look with themes and plugins, password protecting posts, importing from other systems, managing comments and notifications, customizing URLs, and optimizing the site for search engines. The document provides contact information for the business director of MediaCom Interaction who welcomes the reader to using WordPress.