Academia.edu has started a similar service, "Academia Letters.
" Some of our colleagues have already used it
. Short pieces, rapidly reviewed, published with a DOI. I quite like the idea.
But there are many, many experiments out there in academic publishing because everyone who thinks about it seriously knows the traditional models of peer-review and of knowledge-distribution-funding are terminally flawed (peer review is not free from bias, distribution is expensive and exclusionary, publication is too slow). PeerJ, PLOS, etc. etc.