I wish I could find the original link but I remember years ago a HN submission from a startup doing document summarization. The founder was on the discussion an

I wish I could find the original link but I remember years ago a HN submission from a startup doing document summarization. The founder was on the discussion and responding to question about what documents are not possible to summarize with his software. Their response was after lots of research they determined that legal documents are the most challenging to summarize because they are intentionally obfuscated