You know you could be right. Here's a web site I frequent and I looked it up with google and put it in my post. Let's see what comes up.

http://www.doubletapdefense.com/

If your theory is correct there should be someone seeing an ad for double tap defense

I CAN ONLY IMAGINE WHAT LIES ARE GOING OUT OF MY EMAIL ACCOUNTS . IT'S THE WORLD IN WHICH WE LIVE AND THE PEOPLE LIKE MYSELF ARE BUSY, BUSY .