By clicking on the "Time Slots" icon, you can see the overall schedule. Choose a time slot, and you will see all the sessions available during that time. If you are interested in attending one, click on it to read more, and then click on the star in the upper right hand corner, and it will be added to the "My Agenda" session where you can keep track of all the sessions you plan to attend. (You will need to refresh the "My Agenda" page in order to see your updates). You can also look at sessions by their target audiences with the "Audiences" button, or you can search the sessions by presenter.