There's a lot of thread over the web about how to use Drupal cache. I made the choice to use the Boost module "Boost & Core" option, together with the Cache Exclude module. Let me explain why.
Today, 3 interesting links about how the use of tablets affect webdesign.
Another very short post for this link that explains everything about using HTML5 local storage / cache manifest.
A very short post today with only 2 links BUT those 2 links give you all the keys to build an iPhone & Android optimzed version of your site.