If you're interested in understanding a website's functionality, capturing requests as they exit your browser lets you examine how to effectively interact with the site, as these requests are crafted by developers to elicit successful responses. You can use this insight to create custom requests, which can sometimes yield intriguing results.
Snow deformation is a cool effect where as you walk in snow, it deforms it in a trail along where you walk. There's a handful of different ways this can be done. Here I cover a way using particle effects, an orthogonal camera and a Shader on the deformed surface.