diff --git a/README.md b/README.md
index 84de9e3..147774a 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 1. [:05] Video: [Quick intro to SPAs and Push state](video_intro_to_spa.md)
 1. [:10] Lecture/Demo: [What is a SPA?](what_is_a_spa.md)
 1. [:10] Lecture/Demo: [What is Push State?](what_is_push_state.md)
-1. [:15] Lesson: What is routing?
+1. [:15] Lesson: [What is routing?](what_is_routing.md)
 1. [:15] Lesson/Code-along: [Routing in Angular](routing.md)
 1. [:15] Lesson/Code-along: URL Params
 1. [:15] Lesson/Code-along: Nesting
diff --git a/what_is_routing.md b/what_is_routing.md
index 58a2407..0f3703d 100644
--- a/what_is_routing.md
+++ b/what_is_routing.md
@@ -1 +1,28 @@
-display certain components based the url
+## What is Routing?
+
+## Lesson Objectives
+
+1. Describe Routing
+1. Demo Routing
+
+## Describe Routing
+
+- Routing is the process an app uses mimic the feel of traditional navigation
+- The process:
+    1. Define a set of URLs for the app to listen for
+    1. When a user visits those particular URLs, the app will load a component into a specific part of the page
+
+## Demo Routing
+
+Demo the site in [/router](/router).  Show the following:
+
+1. Clicks on the various links
+    - Note the nested links for `/about`
+    - Note the url params for `/resume`
+1. Demonstrate sharing/bookmarking a URL
+    1. Copy a url like http://localhost:4200/links
+    1. Close the browser
+    1. Reopen the browser
+    1. Paste the link into the URL bar
+    1. Hit Enter
+    1. Note that it takes you directly the "page" whose URL you copied