Discover the new features HTML5 has to offer. Find out why sites like Boing Boing and others are switching to HTML5 and what advantages it has to offer. Library webmasters are walking a tightrope between browser support for HTML, Flash, JavaScript, and an explosion of different devices with different capabilities and screen sizes from smart- phones to tablets, netbooks, ebook readers, and desktops. Are we back to 2003 and building multiple sites for different browser/platforms or can library webmasters use the accessibility features and responsive design techniques to find a middle ground? Clark provides a guide through the maze of options and provides examples of HTML5 and CSS3 in action.