The document discusses the debate around whether CIOs should focus on sustaining existing business operations through incremental innovations using emerging technologies, or leading disruptive innovations that transform business models. Some arguments are that CIOs should prioritize efficiency and regulatory compliance, while others say they are well-positioned to help businesses capitalize on new technologies by disrupting the status quo. The author concludes that CIOs who understand disruptive innovation theory can help evaluate both sustaining and disruptive opportunities, guiding investments that achieve competitive advantage without neglecting core IT responsibilities.