HTML5 is the next major revision of HTML. It is currently still a draft, but expected in 2012 (W3C Candidate Recommendation status). Here are some of the improvements that will be found in HTML 5:
- There will be new tags that make it much easier to embed applications and handle interactive elements.
- Offline data storage.
- Ability for visitors to edit sections of web pages.
- New HTML elements that better describe content.
- Improved web form handling and validation.
- Numerous APIs
- Will it compete with Flash?
For more information on the improvements that will be found in HTML 5, visit "5 Exciting Things to Look Forward to in HTML 5, "HTML5 and the Future of the Web" and "HTML 5 Differences from HTML 4."
Here are a few places where you can see examples of HTML 5 in use today:
If you want to learn more about HTML 5, here is also a video from Google. Be forewarned, it is 42 minutes long.
If anyone has additional info on HTML 5 to share or if you have examples, please add them to the comments section.