Listing it right now might not be the good time. POB still needs a lot of development and maturity. It's in the nascent stage. Putting it to exchanges would be like presenting a half baked cake in a party, it will just create mess and would not be appreciated at all.

I would say, let's wait, take POB to another level, let more people see it, participate here, let it gain more reccogonition, let some more development happen and then launch it to an exchange with a blast, like a nice, layered, soft and spony chocolate cake :)