When people refer to html5 they are often including css3 within those technologies, html5 has by most people agreed to be a marketing term that just means the r

When people refer to html5 they are often including css3 within those technologies, html5 has by most people agreed to be a marketing term that just means the recent wave of web tech, html itself is now versionless http://slides.html5rocks.com/#landing-slide http://slides.html5rocks.com/#landing-slide is probably the best overview of the new "html5" features, my personal favourites would probably be localStorage, websockets and webgl, along with a lot of the css3 features