Wizards, Metadata, and Memory

Stage design of the Enchanted Garden by Hermann Burghart for the 1886 premiere of Karl Goldmark's opera Merlin . (Herman Burghart on Wikimedia Commons // Public domain) One in three pictures you see on Wikipedia was added through UploadWizard, a tool I designed in 2009. Over the past 15 years, 1.8 million unique volunteers have uploaded over 42 million files with UploadWizard to Commons,…