Now is the first big test.  
 
If you
  1. ✴ registered for your Google Maps API Key
  2. ✴ found the right XML feed for your spreadsheet
  3. ✴ added both these items to the index properly
  4. ✴  and uploaded correctly
you should have a working Exhibit site.
 
The movie above will walk you through uploading and placing the Exhibit folder on your server.  
 
Uploading to the Server
Exhibit courtesy of MIT           -               Tutorial by Tom Woodward                 -                   CC License