Update README.md (#204)

README.md

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 [http://www.gsplat.studio/](http://www.gsplat.studio/)
 
-gsplat is an open-source library for CUDA accelerated rasterization of gaussians with python bindings. It is inspired by the SIGGRAPH paper [3D Gaussian Splatting for Real-Time Rendering of Radiance Fields](https://repo-sam.inria.fr/fungraph/3d-gaussian-splatting/), but we’ve made gsplat even faster, more memory efficient, and with a growing list of new features! Check our [webpage](https://docs.gsplat.studio/main/) for more details
+gsplat is an open-source library for CUDA accelerated rasterization of gaussians with python bindings. It is inspired by the SIGGRAPH paper [3D Gaussian Splatting for Real-Time Rendering of Radiance Fields](https://repo-sam.inria.fr/fungraph/3d-gaussian-splatting/), but we’ve made gsplat even faster, more memory efficient, and with a growing list of new features! 
+
+<div align="center">
+  <video src="https://github.com/nerfstudio-project/gsplat/assets/10151885/e60f7603-3c8a-4d05-a3ae-e382507eb043" width="100%" />
+</div>
 
 ## Installation