Entropy quantifies the number of different microscopic states that a physical system can have while looking the same on a large scale.
A bit techo but a great pic.

Eh... I'm not buying it. With my basic understanding it seems entropy is a measure of an unkown. So really what they're saying is they don't have a freakin' clue. That doesn't point to disorder, necessarily, just that there's a lot left to learn.

A read of the whole article may make it clearer to you.