I also appreciated the summary; my question was just about the phrasing. In it's literal usage, it's saying that the article had nothing useful to say: http://

I also appreciated the summary; my question was just about the phrasing. In it's literal usage, it's saying that the article had nothing useful to say: http://knowyourmeme.com/memes/tldr http://knowyourmeme.com/memes/tldr. That clearly wasn't the case here, so I was wondering why the author choose to use it. I realize that meaning has changed over time, but I was wondering what meaning he (and others) intend when it is used.