1 files changed, 4 insertions, 1 deletions
diff --git a/README.md b/README.md
index ed126187e..789270d2a 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,13 @@
 
 This repository contains all the 0x developer tools written in TypeScript. Our hope is that these tools make it easy to build Relayers and other DApps that use the 0x protocol.
 
+[website-url]: https://0xproject.com/
+[whitepaper-url]: https://0xproject.com/pdfs/0x_white_paper.pdf
+
 [![CircleCI](https://circleci.com/gh/0xProject/0x.js.svg?style=svg&circle-token=61bf7cd8c9b4e11b132089dfcffdd1be277d1e0c)](https://circleci.com/gh/0xProject/0x.js)
 [![npm version](https://badge.fury.io/js/0x.js.svg)](https://badge.fury.io/js/0x.js)
 [![Coverage Status](https://coveralls.io/repos/github/0xProject/0x.js/badge.svg?branch=master&t=fp0cXD)](https://coveralls.io/github/0xProject/0x.js?branch=master)
-[![Slack Status](http://slack.0xProject.com/badge.svg)](http://slack.0xProject.com)
+[Rocket Chat](https://chat.0xproject.com)
 [![Join the chat at https://gitter.im/0xProject/Lobby](https://badges.gitter.im/0xProject/Lobby.svg)](https://gitter.im/0xProject/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![Greenkeeper badge](https://badges.greenkeeper.io/0xProject/0x.js.svg?token=7c22e5c72acf39d3ead8d29c5d9bb38f9096df3e643024dcedd53ab732847be1&ts=1496426342666)](https://greenkeeper.io/)