DropBox can't just easily Google an answer like you would with a Wordpress blog. Their bottleneck wouldn't be web based, so how they load their javascript or if

DropBox can't just easily Google an answer like you would with a Wordpress blog. Their bottleneck wouldn't be web based, so how they load their javascript or if they use image spriting is basically irrelevant. Scaling a website with exponential growth is very difficult. Fix one problem, two more pop up. It never ends. Oops just spent 50k on SSD's to find out it was a load balancer issue.