This document discusses various image sharing sites and apps that radiologists can use to share images for public relations, education, and networking purposes. It provides an overview of popular platforms like Instagram, Figure 1, and Pinterest, outlining their benefits and limitations for radiology image sharing. Key recommendations include following radiology-focused users and groups, being mindful of patient privacy and copyright issues when posting images, and using platforms like Instagram that have large, general audiences to help educate the public about radiology.