Link builders can be pretty savvy and sometimes also, some can be pretty unscrupulous. Here is an example of a link referer threatening the site owner to link to them or else they will give that person's mother.
This was shared by John McAplpin on Twitter:
John said "Well, that's a first. These link building spammers are pulling out all the stops. Found this in my recurring backlink audit."
Pretty crazy but I suspect none of you should take any of these types of threats seriously. Now, I am curious to see what messages I have waiting for me...
Forum discussion at Twitter.