90-minute hands-on workshop introducing the FiftyOne open-source computer vision toolset. Topics include FiftyOne basics (terms, architecture, installation, and general usage); exploring, understanding, and curating data; representing and semantically slicing unstructured CV data; loading datasets from the FiftyOne Dataset Zoo; navigating the FiftyOne App; programmatically inspecting attributes; adding new samples and custom attributes; generating and evaluating model predictions; saving insightful views into the data.