This example displays summary statistics from a CSV file containing CSS Named Colors. It shows the file size in kilobytes, the number of data rows, and the number of columns in a large text format. The code loads the data using `d3.csv` and processes it with `d3.csvFormat` to calculate the file size. An alternative approach using the Fetch API with `async` and `await` is also commented out, alongside a "pyramid of doom" nested promise example.