Effectiveness or is defining the effectiveness is the global , and i will give you one anecdote. This is on the prevention of overweight, obesity, and meeting, and at that ncd, arned about mexicos policy they enacted about three months earlier, and they stage, andis on the part of it was a major value said,tax on drinks, and i how on earth did you get the big Beverage Industry to agree to be and they said it wasnt that easy. They said initially it was , but then west looked to the european union, and there was a directive that all the Beverage Companies had signed up to, including , so they drew on this eu directive, brought it to mexico, and said if you are able to sign onto a directive in europe, why arent you able to sign on to a similar directive whatxico, and that is mobilized the Beverage Industry to sign on. They realized that by having a they would look at the public side anonymously, so i am using that as an , because what is the value of an eu directive . I mean, g, that is b