Constructive Criticism: Talk of the Town: Fan Favorite

Many are able to dish it out, but few are able to handle it... CONSTRUCTIVE CRITICISM. In order to improve your skills and craft , constructive criticism is a helpful way to learn your strengths and weaknesses. What are the forms of criticisms? How can you tell the difference between constructive criticism and someone being critical? Who are good people to obtain good constructive criticism from? ( ex: family, friends, experts, etc) and who are people you shouldn't ? Do majority rules in opinions always? What are some tips or ways to learn how to be receptive towards constructive criticism ?