The Difference Between R and D` discusses the distinct mindsets required of researchers versus developers in a technology company, with a focus on innovation and disruption. Researchers are encouraged to pursue theoretical ideas with longer time horizons, whereas developers focus on commercially viable products or features within a shorter timeframe. The article highlights the challenges of funding basic research and measuring its ROI, but also emphasizes the importance of long-term thinking and embracing uncertainty in order to drive disruptive innovation.