This anonymous designer made a postcard depicting an app-coding assignment, and their visualization was inspired by the waterfall method. The steps are read from top left to bottom right, and each line and arrow represents about 8 minutes of the project. The multitude of lines shows just how long the project took. For example, the second-to-last step, test, took the most time in this project, since it has the most lines. See the back of the postcard for the key and other details!