This was by far the biggest screen I've ever built something for. 457ft wide, 50 projectors, and roughly 24 million pixels. I used Processing to display moderated Tweets and Instagram images. The Processing app went through Millumin to cut it up in pieces and was put back together in the Spyder system.
Adobe Summit 2016 Social Visualization
Twitter and Instagram visualization for Adobe Summit 2016 displayed during walk-in and walk-out.