The document discusses using WordPress as an application platform. It provides an overview of Joe Querin's background and experience with WordPress. Key points covered include common application requirements like content and user management, benefits of using an application framework like not reinventing the wheel and security updates being handled, how WordPress fits as an application platform with features like custom post types and plugins, and examples of using WordPress to build a news site and aggregator to feed data to other sites and apps via the WordPress REST API.