Update README.md

Author: Avaer Kazmer

README.md

@@ -19,6 +19,8 @@
 <a href="https://web.exokit.org/"><img alt="XR Sites loaded together in shared grid" target="_blank" src="https://user-images.githubusercontent.com/29695350/64731446-daade580-d4a6-11e9-8d90-d3014d4b986b.gif" height="190" width="32%"></a>
 <a href="https://web.exokit.org/"><img alt="Moving Solar System site above Moon Rider on grid with UI menu" target="_blank" src="https://user-images.githubusercontent.com/29695350/64731523-04670c80-d4a7-11e9-9021-1258a6e66b98.gif" height="190" width="32%"></a>
 
+**Exokit Browser** is a WebXR meta-browser that allows you to load and blend virtual worlds built on the WebVR and WebXR standards. It works in every browser, and every VR/AR headset.
+
 ### Found a bug?
 
 Post it here, with details of the bug and how someone else can replicate it: https://github.com/exokitxr/exokit-browser/issues/new