The true power of WordPress is in the custom functions, and Thesis takes this concept to task with hooks. A hook is exactly what it sounds like as it is hooked to a specific area of the page. Using these locations makes it easy to unleash the power of Thesis to do almost anything you want.
Creating a little drama and bringing a flat page to life is easier than ever, thanks to CSS. At least it is true for modern browsers and simply degrades back to flat for older systems. It basically comes down to providing an optimized view for advanced users without worrying about scripts. The changes are subtle but still make a decent impact.
The modern web environment comes with many screen sizes and resolutions that have made fixed width designs a bit cumbersome to deal with. Building sites that stick to the 960 rule are out of place due to the mobile internet boom. Websites now need to close the deal on many devices instead of a specific target resolution.