A thought provoking article about advanced directives - where's yours?

http://www.nytimes.com/2015/03/17/health/the-trouble-with-advance-directives.html?_r=0

Here's a recent article from the New York Times about communicating your wishes with your family and health care providers.  Writing, signing and filing an Advanced Directive means nothing if you don't share it with those who need to know.