Yesterday HN suffered a DDOS attack and things seem normal now but I've found a bunch of threads not working right now:
https://news.ycombinator.com/item?id=4992617
https://news.ycombinator.com/item?id=4857717
https://news.ycombinator.com/item?id=4857714
https://news.ycombinator.com/item?id=4727254
https://news.ycombinator.com/item?id=4727241
And most are Who is hiring and Seeking Freelancer threads:
http://www.hnsearch.com/search#request/submissions&q=seeking+freelancer&sortby=create_ts+desc&start=10
