This bubble chart visualizes the relationship between screen size and price for electronics, with bubble radius encoding horizontal resolution. It uses D3.js v7 to load CSV data and render SVG circles. The chart includes axis labels, a green-to-red color scheme, and interactive tooltips that display brand, resolution, processor speed, and price on mouseover. The tooltip positioning relies on the `event.x` and `event.y` properties from D3's event handling.