This document discusses the adoption of blogging over time through a decentralized diffusion model. It begins with a few local innovators adopting blogging, like lead instructors, followed by early adopters like other instructors. Over time, 10-20% of instructors adopted blogging. The document provides several links to resources on blogging best practices, creating blogs, and using blogs in education. It concludes by referencing several sources on the positive impact of blogging and social networks on online and blended learning.