While the adoption of social media platforms has become commonplace for personal life use, its practice has tremendously grown for professional usage in medicine, and particularly in the field of radiology. The use of alternative metrics, or altmetrics, scores have developed in an effort to quantify the impact of research beyond traditional metrics, such as citation rate and journal impact factor, particularly to recognize the impact of social media on dissemination and promotion of research. Social media usage in the realm of radiology has expectedly been adopted for the purposes of medical education, research, networking, and advocacy. However, some platforms have been used as a medium to discuss and share the day-to-day nature in the field of radiology, burnout in radiology, as well as radiology-themed humor. The purpose of this review article was discuss the role of altmetrics, as well as the specific uses of social media platforms including Twitter, Instagram, Facebook, Youtube, and more. The role of ethics in social media practice related to radiology are discussed.