2. What? What is HTML5?

3. Sir Timothy John Berners-Lee born 8 June 1955 also known as "TimBL"

4. + WHATWG (Web Hypertext Application Technology Working Group)

5. How? HOW GOOD?

6. HTML4 HTML5

7. Semantic Markup <article> <aside> <command> <details> <summary> <figure> <figcaption> <footer> <header> <hgroup> <mark> <meter> <nav> <progress> <ruby> <rt> <rp> <section> <time> <wbr>

8. Form Enhancement <datalist> <keygen> <output>

9. New Input Type Attribute Values tel search url email datetime date Month week time datetime-local number range color

10. New Media Elements <audio> <video> <source> <embed>

11. <canvas>

12. Content Editable

13. Browser support

14. Mozilla Firefox 3.6+ Safari 5 Chrome 10 Internet Explorer 9+ Opera 11

17. HTML5 With SEO

19. tag <article>

20. tag <section>

21. tag <header>

22. tag <footer>

23. tag <nav>