HTML5 is currently only supported by the very latest browsers (IE9, Firefox 3.6, Safari 5.0, Chrome 9+). Which means it could take years before we see a large scale roll out of HTML5 functions in websites. It took 9 years for IE6 to rise to be the most widely used browser and then drop below 10% market share. IE8, which is currently almost 3 years old and does not support HTML5, could be widely used for another 5 years. That is 5 years before we can start using HTML5 on websites that will be accessed by the masses!
Web Browser Market Share for IE
Can’t a web developer dream?