The Chalk™ Pushcast™ Software requires HTTPS to communicate with the Chalk Pushcast Plug-in for Microsoft® PowerPoint®. The Chalk Pushcast Plug-in for Microsoft PowerPoint uses highly secure web services to protect the data that the Chalk Pushcast Plug-in for Microsoft PowerPoint and the Chalk Pushcast Software send between each other. The web services require the correct user name and password for a Chalk Pushcast Software user so that the web services can authorize a the user to perform tasks and access data using the Chalk Pushcast Software. The web services also retrieve permissions, user lists, and group lists from the Chalk Pushcast Software, publish content, manage the user enrollment in content, and assign content to users.