This example shows a pie chart of social media platform usage percentages, with a legend displaying each platform’s name and share. The visualization is rendered as an SVG and uses D3’s `pie` and `arc` generators to compute and draw the segments, while `scaleOrdinal` with `schemeCategory10` assigns colors. Data is loaded via D3’s `csv` function from a GitHub gist, and the legend is built manually with appended `rect` and `text` elements.