This document discusses 3D technologies on the web. It provides examples of 3D effects that can be achieved using CSS3 and WebGL frameworks. Specifically, it mentions how CSS3 can be used to create basic 3D transformations of elements on a page. It also introduces the WebGL specification and some popular WebGL frameworks like BabylonJS and Three.js that allow for advanced 3D graphics rendering directly in the browser. The document concludes with a link to an online demo of a 3D scene created with BabylonJS.