The sooner academic publishers die the better—not a very original thought, I'm aware. There's still very much a distinction between (self-)publishing on the arXiv and publishing in a 'real' journal/conference within the academic community, and I think it comes down to two factors: 1. The arXiv moderation process has a much lower bar; you see some pretty rubbish papers (often from large tech companies) make their way…
Just an arXiv with peer-review is not enough. There is a lot of room for innovation and improvement. There was quite an interesting discussion[1] about creating something in between Overleaf[2], ArXiv[3], Git, and Wikipedia, moreover with the ability to do a peer-to-peer review, discussion, and social networking. Check out the last[4] article in that series. There are a few implementations, albeit not covering all fe…
I agree with @xvilka that there is lots of room for innovation and exploration, but even in the more traditional setting there is some movement coming from the smaller realities. It seems to me that the big publisher monopoly, which at least in my field is completely unjustified, is the bigger obstacle.
[1] https://discreteanalysisjournal.com/ [2] https://www.emis.de/journals/SIGMA/ [3] https://jep.math.cnrs.fr/index.php/JEP/ [4] https://www.elibm.org/series?q=se:2204 [5] https://intlpress.com/index.php [6] https://aif.centre-mersenne.org/