A framework for creating websites that uses AJAX and the HTML5 History API to create fast loading content by avoiding reloading a whole webpage. Only the main section of the webpage changes, but has a specific page address to link too.
Phaaw: PHP - History API - AJAX - Website
See a demonstration here - this fades in and out between pages in one second so you can see what is happening, in a realy environment this will likely be much quicker, or a more intuitive animation such as a sweep. You can see the code here.
