Add "Why?" section to home page.

index.html

@@ -26,7 +26,7 @@ <h1><a href="./">PGXN</a></h1>
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         <div class="article">
 
-          <a href="http://www.flickr.com/photos/theory/2762199200" title="Red Steps. No, they don't have anything to do with PGXN, really. I think of them as representing the hard climb to the great reward of finishing the project. Help us get to the top!"><img src="./images/red_steps.jpg" alt="Red Steps" /></a>
+          <a href="http://www.flickr.com/photos/theory/2762199200" title="Red Steps. No, they don’t have anything to do with PGXN, really. I think of them as representing the hard climb to the great reward of finishing the project. Help us get to the top!"><img src="./images/red_steps.jpg" alt="Red Steps" /></a>
 
           <h2>What is PGXN?</h2>
 
@@ -39,6 +39,11 @@ <h2>What is PGXN?</h2>
             <li>A command-line client for downloading, testing, and installing extensions.</li>
           </ul>
 
+          <p class="subheader">Why?</p>
+          <p>One of the primary distinguishing features of <a href="http://www.postgresql.org/">PostgreSQL</a>—and perhaps the number one reason to use it instead of another DBMS—is its extensibility and the large number of database extensions already available. <a href="http://postgis.refractions.net/">PostGIS</a>, <a href="http://www.postgresql.org/docs/8.4/static/isn.html">ISN</a>, <a href="http://www.postgresql.org/docs/8.4/static/hstore.html">hstore</a>, <a href="http://pgtap.org/">pgTAP</a>, <a href="http://pgfoundry.org/projects/biopostgres/">BioPostgres</a>, <a href="http://www.joeconway.com/plr/">PL/R</a>, <a href="http://pgfoundry.org/projects/plproxy/">PL/Proxy</a>, <a href="http://code.google.com/p/golconde/">Golconde</a>, <a href="http://pgfoundry.org/projects/pgmemcache/">pgmemcache</a>, and more. PostgreSQL today is not merely a database, it’s an application development platform. However, many of these extensions are virtually unknown even among experienced users because they are hard to find.</p>
+
+          <p>PGXN intends to solve the “hard to find” issue by providing centralized listings searchable documentation for PostgreSQL extensions. This in turn will drive adoption by new users and application developers, expanding our community and ensuring another 10 years of the PostgreSQL Project.</p>
+
           <p class="subheader">Project Status</p>
 
           <p>We’re currently raising funds for the project. Once we’ve reached our goal, implementation will begin. Keep an eye on our fundraising thermometer to track how close we are to meeting our goal. And please <a href="/contact.html">get in touch</a> if you’re interested in sponsoring the project.</p>