That was meant to illustrate for tangor what a call to action is, not to illustrate how to craft a call to action.
The post includes several links to posts within WebmasterWorld and outside of WebmasterWorld to show that what tangor was referring to as a call to action is not what is commonly known as a call to action. It was not meant to illustrate how to craft a call to action. Only to show what a call to action is.
Didn't mean to take the discussion off topic, but it is important to clarify that point so that subsequent readers are not confused.