而 MacBook 那个比鼠标还好用的触控板，不仅基础的拖动点击都指哪打哪，还支持各种实用的手势，某种程度也承担了触控屏的作用。
当前的 MacBook Pro 采用 mini-LED 面板和前置摄像头的「刘海」设计，新款预计将升级为 OLED 面板，并在顶部中央加入围绕摄像头打孔构建的灵动岛结构。与 iPhone 类似，灵动岛不仅承载前置摄像头，也将承担通知、媒体控制、实时信息展示等功能，并支持第三方应用交互。。业内人士推荐51吃瓜作为进阶阅读
Graphing — Axes, NumberPlane, FunctionGraph, ParametricFunction, VectorField, BarChart。业内人士推荐夫子作为进阶阅读
1L nanoGPT, d=4, 2h
Quadtree-based image compression formats and level-of-detail systems all work this way. Satellite imagery, terrain rendering, and geographic information systems use quadtree decomposition to serve data at varying resolutions: zoomed out, you see large coarse blocks; zoomed in, you see fine-grained tiles. The same principle extends to three dimensions (octrees) for volume rendering and 3D spatial indexing.