Information about HTML5 ranges from the W3C documents themselves to business cases, evangelists’ musing, and seemingly innumerable how-to articles and tutorials chock full of code samples. This whitepaper attempts to bridge the gap between the musings and the tutorials, and present an overview of HTML5 that will be useful to people who are not HTML5 experts, but who are technical enough to understand what we mean by, say, a chromeless browser.