The best exchange so far

[Ota.collins]

Which exchange do you think has done an incredible job so far this year?

Trading fees, user interface, listings, flexibility, user experience, innovation, etc, might come to mind when picking which exchange has been the best so far.

I am more inclined to user experience, user interface, and innovation, using GetAgent as an example of a good innovation.

So, what do you think the best exchange has been so far?