2004 : "WHAT" Working Group is born
Founded in 2004, The WHATWG, with members from Apple, the Mozilla Foundation, and Opera Software, sets out to develop HTML5.
2006 Oct. World Wide Web consortium (W3C) announces it will work iwth "WHAT" Working Group
W3C decides to stop working on XHTML and instead begins collaborating with "WHAT" Working Group to evolve HTML as a technology.
2008 : First version of HTML5 is published
The first draft of HTML5, written by Ian Hickson, is introduced but changes are still coming. Experts say that HTML5 is a continually evolving technology that will never be absolutely "finished."
2008 : Firefox 3 becomes HTML5 compatible
Firefox 3 takes steps to allow HTML5 to be viewed on the browser. Chrome, Safari and eventually IE will follow suit.
2010 Jan : YouTube offers HTML5 Video Player
New player can only be activated through TestTube. A beter video player will arrive in July 2010.
2010 April : Steve Jobs "trashes" Flash in an open letter
Jobs explains why Flash will never be allowed on Apple's smart devices. This triggers many companies to begin pursuing HTML5.
2010 Dec : Chrome Web Store opens
Chrome opens its web store in HTML5, making non-Apple web apps easy to buy on tablets.
2011 March : Disney buys HTML5 gaming start-up
Disney buys "Rocket Pack", a Helsinki-based HTML5 gaming engine start-up. Its intention is clear: break the app-store monopoly and build games straight into the web using HTML5.
2011 July : Pandora begins moving to HTML5
Pandora begins making the switch to an HTML5 audio player. It is reviewed as being "less clunky" than the Flash player, easier to load and faster.
2011 Aug. : Amazon creates Kindle Cloud Reader
Amazon create a new web-based version of the Kindle Ebook Reader app. The new HTML5 version allows customers to access their content offline directly from their browser.
2011 Aug. : Twitter rolls out new HTML5 version for iPad
Twitter revamps its iPad presence with a new HTML5-heavy version.
2011 Sep. : 34% of top 100 sites use HTML5
As of Sept 2011, 34% of Alex's Top-100 trafficked websites are using HTML5.
2011 Sep. : Boston Globe opens subscription-only BostonGlobe.com
The Boston Globe uses responsive design and CSS3 allowing the website to adapt to the size of hte screen it's presented on.
2011 Nov. Adobe stops making Flash for mobile devices
Company makes public plans to end development of Flash for mobile in order to focus on HTML5 tool development.
2012 April : Flickr gets a new HTML5 uploader
This HTML5 implementation expedites uploading large files.
2012 june : LinkedIn creates native app for the iPad
LinkedIn has had mobile apps since 2008 but in 2012 saw the launch of its 95% HTML5 native iPad app. The app has been praised for its clean, modern design.