YFCC 100M is an image dataset containing 100 million media objects, including 99.2 million images and 800,000 videos, all of which are sharable. Each media object in the dataset has multiple metadata representations, such as Flicker identifier, owner name, camera, title, tag, geographic location, media source, etc. The dataset also provides a comprehensive snapshot of how photos and videos were taken, described, and shared from the early days of Flicker in 2004 to early 2014.