This example visualizes browser market share data as a pie chart. The chart uses D3.js v7 to load CSV data from a GitHub gist and render it as SVG arcs, with each slice colored via `d3.scaleOrdinal` and `d3.schemeCategory10`. Interactive tooltips appear on mouseover, displaying the browser name and percentage. A legend lists each browser with a corresponding color swatch, and the chart includes a title and axis labels.