The developers and their followers of tuning rules are adamant that theirs are the best. The user can be left confused as to what tuning rule to use and how. Often not stated are the revisions and practices needed in the applications of the rules for maximum achievement. Industrial consultants who have extensive field experience in the application of these rules are the best bet along with the use of software to identify the open-loop dynamics. These industry-wide consultants using process identification and auto tuning or adaptive control software can provide a wide spectrum of solutions and the education for the user to develop the tuning skills needed. Outstanding industry consultants have been interviewed by Greg McMillan in the Control Talk Columns.