TechSpot discusses HTML5 gaming, you can read about it over here.
A lot has changed since the days when web developers relied almost exclusively on Flash for media-rich interactive content. Although the technology is still very much alive and may not see a replacement anytime soon for certain uses, more and more websites are implementing HTML5 for streaming audio and video.
On the gaming side, there are some really impressive examples that could easily rival some of the stuff that has been done on Flash over the past decade. We've compiled a small selection of old classics and modern titles built with HTML5 and other open web standards that will give you a taste of things to come.