What is it and why would people use it? Mentioning something nobody uses and nobody has heard of doesn't seem like much of a a priority when critiquing a popular service.
(Assuming you're not being sarcastic) https://svbtle.com/ is similar to Medium. Mentioning something ~nobody has heard of makes a lot of sense as an alternative to something that is too popular.
It's an invite-only blog network, for people that are sufficiently intelligent and witty. If you don't know about it or don't have an account, it's probably because you're unintelligent and not funny.
<If you don't know about it or don't have an account, it's probably because you're unintelligent and not funny.>
What if I'm unintelligent, but funny? Can I get a part-time account?
Oh, interesting. That's certainly what the SV elite need, isn't it? Yet another closed social network for them to preach their wise and monied thought leadership down upon us lowly commoners. cloudbro social all the way.