# Demo - Presentation Demonstrating HackMD features to Kalyani --- <!-- .slide: data-transition="zoom" --> ## HackMD Content Formats * Document * Presentation * Book --- ## Document Format It is the most usual format we see on web. heading, sub-headings and paragraphs etc. --- ## Presentation Format Content be orangnised into multiple slides. Each slide covers limited context. Slide by slide message be devlivered. --- ## Book Format A collection of documents With left navigation and search --- ## HackMD Collaboration Realtime updates to documents Host Mode User roles like - Owner - Admin - Writer - Reader --- ## HackMD Publishing Content owners can publish their documents/presentation/books and share the url. HackMD documents support open graph protocol, so that when the published link shared on poular social media sites, image/title/description will be shown as 'card'