Touchstone, together with Viewpoint, is a six-level English program based on research from the Cambridge English Corpus. Touchstone Second edition Presentation Plus Site License Pack, consists of a bundle of four Presentation Plus CDs (Touchstone Levels 1-4) with the Site Licence. It can be used with an interactive whiteboard or a computer and a projector. Teachers can present pages from the Student's Book, Workbook, and Video Activity Pages, play Class Audio and the Video Program, display scripts and answer keys. Tools allow teachers to zoom in, annotate, and add custom links.