First of all, if you don't know it yet:
Now, how did I end up getting involved in this? If you're a Drupal user, you might have heard of my Hierarchical Select module. Well, for version 3 of this module, I decided to work on this issue: try to eliminate as much queries to the server as possible, by taking advantage of HTML 5's client-side database storage.What is the WHATWG?
The WHATWG is a growing community of people interested in evolving the Web. It focuses primarily on the development of HTML and APIs needed for Web applications.