In order to get that level of display control, they're doing some insane things under the hood with the HTML. It's a tag fiesta in there (understandably -- there's no other way to do it), and complex HTML can put some real demands on the processor -- but nothing compared to the same content in Flash.
In Safari scrolling that document is very smooth. So much better than the Flash Scribd. Kudos.
In Safari scrolling that document is very smooth. So much better than the Flash Scribd. Kudos.