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@@ -1,12 +1,87 @@
-start with
-style/index/index/failing imports
+# Thinking In React: Hierarchy and Building a Static Version
 
-demo
+## Demo
 
-Header
-ListItem
+To start off our Todo application we are going to follow the steps outline in [Thinking in React](https://reactjs.org/docs/thinking-in-react.html). The first step of the process is to break our application into a component hierarchy. For this app, we're going to keep it simple and just use four parts.
 
-exercise
+- TodoHeader
+- TodoList
+  -TodoListItem
+- TodoFooter
 
-Footer
-List
+We could go a lot deeping creating buttons, inputs and checkboxes, but this is a great place start. Often you'll want to start with a single large control, and then start breaking it up into smaller pieces.
+
+### TodoApp
+
+```jsx
+import React from 'react';
+import { TodoFooter } from './components/TodoFooter';
+import { TodoHeader } from './components/TodoHeader';
+import { TodoList } from './components/TodoList';
+
+export class TodoApp extends React.Component {
+  render() {
+    return (
+      <div>
+        <TodoHeader />
+        <TodoList />
+        <TodoFooter />
+      </div>
+    );
+  }
+}
+```
+
+We'll start off with all of the file scaffolded and imported into our App. This will let us dive right into each control and see updates quickly.
+
+### TodoHeader
+
+Our objective is to create a static version of our application, so we'll copy over the entire header tag, minus any function calls we may have added.
+
+> Note that since this is React we had to change `class` to `className`, otherwise nothing changes
+
+```jsx
+return (
+  <header>
+    <h1>todos</h1>
+    <div className="addTodo">
+      <input className="textfield" placeholder="add todo" />
+      <button className="submit">Add</button>
+    </div>
+    <nav className="filter">
+      <button className="completed">all</button>
+      <button>active</button>
+      <button>completed</button>
+    </nav>
+  </header>
+);
+```
+
+### TodoListItem
+
+Anytime you see repeated complex elements, that is usually a sign to create a new component. With a few props you can typically abstract all of those elements into a single component. This is certainly the case with Todos items.
+
+```jsx
+return (
+  <li className="todo">
+    <label>
+      <input type="checkbox" /> Todo 1
+    </label>
+  </li>
+);
+```
+
+> Note that I've removed the title span as it was only needed to make targeting that text easier
+
+## Exercise
+
+### TodoFooter
+
+1. Update the TodoFooter component, copying over the `<footer>` tag and all of its children
+2. Remove any `onclick` properties, and change `class` to `className`
+
+### TodoList
+
+1. Update the TodoList component like you did with the footer.
+2. Import TodoListItem and add 4 of them inside of the `<ul>`
+3. Bonus points for using a [`for`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Loops_and_iteration) loop or using [`map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map) to create 4 list items based on the array `[1,2,3,4]`