So it seems to be behind a sign-up. Is this just a temporary measure to have some notion of "control" while its still being developed, or is this how they are p

So it seems to be behind a sign-up. Is this just a temporary measure to have some notion of "control" while its still being developed, or is this how they are positing it as? Is it interesting project enough that people will jump through hoops to get it? I didn't sign up, but I'm hazarding a guess that its binary-only also?