This 5-part series begins with Mr. Cullick giving a brief overview of his background, from Mobil all the way to LINN Energy. From there, we move into his new book, Digital Oil and Gas Fields, where we begin to talk about his motivation for wanting to write a book about DOF. We then discuss the what exactly makes up DOF systems, the value that implantation of these systems bring, and finish up discussing how companies can began the transition to DOF.