But when submitting to HN one should use original sources wherever possible. In this case, the original source was stated right in the opening of the article.

True blogspam is when blogs (sometimes, even entire sites), trolling for clicks and presentations, copy content and/or misdirect readers for the purpose of garnering undeserved presentations.

Some of these even misroute you to malware using URL shorteners. There is no legitimate reason to use URL shorteners here.

"A blog where the author paraphrases or copies from the original article/webpage in an attempt to increase his or her own traffic. This becomes a waste of the reader's time forcing them to click through the blog to get to the actual article. Often submitted to sites like Digg or Reddit."