The visualization of complex problems and the different levels at which they can be solved.

Daniel Wright: “Pricewaterhouse Coopers is a multinational professional services company combining assurance, tax and – oh wow – just reading
that should have almost put you to sleep. So you can imagine how hard
it would be to make a website even close to fascinating. Whether or not
you happen to be looking for an auditor, it’s rare to find a website as
exquisitely detailed as this one.”