I'm a burgeoning computer scientist and interested in collaborating with others on proofs and solutions to difficult problems, both for fun and for publication purposes. I'm wondering whether there is a feature on the SE that facilitates this? In other words, is there a space where people can communicate, share progress on an ongoing problem, and/or save content to a shared document? If not, why not? Can we expect something like this to come in the future? Thanks for reviewing my question.