[its_a_random_ac]

Yeah, I'd like to know too, from everything I can see it's just a cloud-hosted notebook with a spark backend, which does have some benefits, but I can't tell why they got as big as they did.

Also from a more cynical side, I've interviewed at a lot of companies that ask if I've used it before, and I'm really temped to just lie, since it feels like something that could be picked up really easily.