On a March 22 conference call with Stifel Managing Director of Research David Ross, I presented the results of our annual survey of transportation executives, who were asked to predict the impact by 2025 of self-driving trucks, drones and robotics, Big Data / AI / Machine Learning, the Internet of Things, Uberization of freight, and Blockchain. Following is a lightly edited transcript of the discussion of the second part of the survey, which asked executives to predict the impact of these tech disruptors on key business areas (1 = low impact, 2 = medium impact, 3 = high impact).