The purpose of “Digital IT-100 Q&As “ is to summarize 100+ classic and emergent digital debates about digital IT leadership and management, brainstorm how to run a holistic digital business from multidimensional lens, share digital holism and strategic insight, keep IT digital fit, deal with both IT management dilemmas and innovation paradoxes effortlessly, guide today’s digital leaders and professionals to learn the valuable lessons across industrial and geographical boundaries, develop the best and next digital practices to tailor their needs, set the right priorities to achieve high performance, and build a solid digital brand, with the goal to accelerate digital transformation.