That consciousness is (theoretically) an emergent property of the brain doesn't make it indistinguishable from the brain. I would say that it's self-evidently a thing unto itself - while consciousness appears to be (and logically is) a manifestation of brain activity, it is not that brain activity in and of itself. My experience of consciousness undoubtedly manifests via the firing of neurons and release of chemicals, but it is not merely the firing of neurons and release of chemicals - it's an experience unto itself.
To use a potentially poor analogy, consciousness might be viewed as the fruit of the plant of the brain. While the fruit comes to be solely through the workings of the plant, it still, fully formed, has an existence outside of, and even to some degree independent of, the plant.
Or something like that...
It's a hosting site for free ebooks.
The site admins don't provide any of the ebooks themselves - they just host files that are uploaded by whoever wishes, and provide for downloads for whoever wishes. (Not that that alters its legal status - just by way of explanation).
It's notably popular among college students, as a source to download free versions of obscenely overpriced textbooks.