This pie chart visualizes global internet usage rates by country, with each slice sized proportionally to the internet user rate and colored via a categorical scale. Hovering highlights a slice and displays a tooltip with the country name and rate, while a legend lists all countries. Built with D3 v5, it loads CSV data from a GitHub gist and renders the chart as SVG using the `pie` and `arc` generators, with `scaleOrdinal` for colors.