I did not see this paper on the front page before. It seems like a genuine contribution. And do you think it's better or worse than this: https://hn.algolia.co

I did not see this paper on the front page before. It seems like a genuine contribution. And do you think it's better or worse than this: https://hn.algolia.com/?dateRange=pastMonth&page=0&prefix=true&query=author%3Asimonw%20simonwillison.net&sort=byDate&type=all https://hn.algolia.com/?dateRange=pastMonth&page=0&prefix=tr... -- posting a link to their website >2 a day, in 23% of their posts/comments.