New marketing copy

index.md

@@ -7,23 +7,24 @@ id: home
 <section class="light home-section">
   <div class="marketing-row">
     <div class="marketing-col">
-      <h3>Declarative</h3>
+      <h3>Composable components</h3>
       <p>
-        React uses a declarative paradigm that makes it easier to reason about
+        React isn't the first JS library to let you build components. But it's the
-        your application.
+        only one that takes composition (building components out of other components) seriously.
       </p>
     </div>
     <div class="marketing-col">
-      <h3>Efficient</h3>
+      <h3>Virtual DOM</h3>
       <p>
-        React computes the minimal set of changes necessary to keep your DOM
+        React uses a virtual DOM representation for ultra-high performance. It can also
-        up-to-date.
+        run outside of the browser on Node.js.
       </p>
     </div>
     <div class="marketing-col">
-      <h3>Flexible</h3>
+      <h3>Data flow</h3>
       <p>
-        React works with the libraries and frameworks that you already know.
+        React implements one-way data binding which is simpler, faster and easier to
+        scale than alternatives.
       </p>
     </div>
   </div>