Liam Dempsey gave a presentation on building a web presence with WordPress. He discussed the state of WordPress in 2013, noting that over 71 million sites use it and 20% of top websites run it. He presented the case for WordPress as a content management system, highlighting that it is easy for managers to use, has many plugins, is flexible and scalable. He also provided tips on themes, plugins, custom post types, and emphasized the importance of security.