HTML5 and friends have been getting implemented in browsers at an impressively quick pace. But that leaves us as web developers wondering, "Great, but how am I supposed to build cross-browser applications with these features when I still have to support IE".

We'll take a look at what the landscape of implementable features are, detailing best practices of implementation and fallback solutions where appropriate. For example, how do you pair WebSockets with a standard comet stack and what do you have to watch out for.

We'll also review your available feature set if you're only targeting webkit mobile, or if you've already given IE6 the boot.

The data will be up-to-the-day accurate, covering all major browsers and filled with best practices from topic experts.