Summary of https://www.sciencedirect.com/science/article/pii/S2666920X24001516 This paper examines how higher education institutions globally are addressing the integration of generative AI by analyzing the adoption policies of 40 universities across six regions through the lens of the Diffusion of Innovations Theory. The study identifies key themes related to compatibility, trialability, and observability of AI, the communication channels being used, and the defined roles and responsibilities for faculty, students, and administrators. Findings reveal a widespread emphasis on academic integrity and enhancing learning, but also highlight gaps in comprehensive policies and equitable access, offering insights for policymakers to develop inclusive AI integration strategies. Universities globally are proactively addressing the integration of generative AI (GAI) in higher education, primarily focusing on academic integrity, enhancing teaching and learning, and promoting AI literacy. This is evidenced by the emphasis on these themes in the analysis of policies across 40 universities from six global regions. The study highlights that institutions recognize the transformative potential of GAI while also being concerned about its ethical implications and impact on traditional educational values. The study, utilizing the Diffusion of Innovations Theory (DIT), reveals that while universities are exploring GAI's compatibility, trialability, and observability, significant gaps exist in comprehensive policy frameworks, particularly concerning data privacy and equitable access. The research specifically investigated these innovation characteristics in university policies. Although many universities address academic integrity and the potential for enhancing education (compatibility), and are encouraging experimentation (trialability), fewer have robust strategies for evaluating GAI's impact (observability) and clear guidelines for data privacy and equal access. Communication about GAI adoption is varied, with digital platforms being the most common channel, but less than half of the studied universities demonstrate a comprehensive approach to disseminating information and fostering dialogue among stakeholders. The analysis identified five main communication channels: digital platforms, interactive learning and engagement channels, direct and personalized communication channels, collaborative and social networks, and advisory, monitoring, and feedback channels. The finding that not all universities actively use a range of these channels suggests a need for more focused efforts in this area. Higher education institutions are establishing clear roles and responsibilities for faculty, students, and administrators in the context of GAI adoption. Faculty are largely tasked with integrating GAI into curricula and ensuring ethical use, students are responsible for ethical use and maintaining academic integrity, and administrators are primarily involved in policy development, implementation, and providing support. This highlights a structured approach to managing the integration of GAI within the educational ecosystem. Cultural backgrounds may influence the emphasis of GAI adoption policies, with institutions in North America and Europe often prioritizing innovation and critical thinking, while those in Asia emphasize ethical use and compliance, and universities in Africa and Latin America focus on equity and accessibility.This regional variation suggests that while there are common values, the specific challenges and priorities related to GAI adoption can differ based on cultural and socio-economic contexts.