This happened a few years ago (~2008?). HNA (HN Academic) was launched and didn't get a lot of traffic. Reading papers just takes a lot of time. There might be

This happened a few years ago (~2008?). HNA (HN Academic) was launched and didn't get a lot of traffic. Reading papers just takes a lot of time. There might be other models that work (other people mention Medley). The attention span for an HN clone is too short though.