Julianna Czum, MD, a member of the Journal of the American College of Radiology (JACR) editorial board, has played a central role in helping the American College of Radiology embrace blog posts. She launched the journal’s blog, JACR Blog, and serves as both its editor and its primary author. Czum spoke with Radiology Business about the impact of social media and how to differentiate a good blog post from a bad one.