The most effective persuasion technique

Some would argue the most effective persuasion technique is the one where the targets are unaware they are being manipulated. I would argue that the most effective persuasion technique is the one where the targets know they are being manipulated but nonetheless are powerless to resist. I am currently watching UFC live and the official energy drink is Xyience. Below is the commercial they played during the intermission between fights. No prizes for guessing the persuasion technique to which I fell victim. Yep...zero calories...gets me every time.