diff --git a/tildetown-py/cgi.py b/tildetown-py/cgi.py
index d452082..85a677a 100644
--- a/tildetown-py/cgi.py
+++ b/tildetown-py/cgi.py
@@ -63,7 +63,11 @@ def get_guestbook():
 
 @app.route('/guestbook', methods=['POST'])
 def post_guestbook():
-    save_post(request.form['name'], request.form['message'])
+    message = request.form['message'][0:400]
+    name = request.form['name'][0:140]
+    captcha = request.form['hmm']
+    print(captcha)
+    save_post(name, message)
     return redirect("/guestbook")
 
 @app.route('/helpdesk', methods=['GET'])
@@ -73,7 +77,6 @@ def helpdesk():
 if __name__ == '__main__':
     if len(argv) == 2:
         data_dir = argv[1]
-
     else:
         data_dir = mkdtemp()
 
diff --git a/tildetown-py/templates/guestbook.html b/tildetown-py/templates/guestbook.html
index 511dc7d..975e317 100644
--- a/tildetown-py/templates/guestbook.html
+++ b/tildetown-py/templates/guestbook.html
@@ -11,14 +11,22 @@
         <tr>
           <th>name!</th>
           <th>message!</th>
+          <th>are you a robot!?</th>
         </tr>
         <tr>
           <td>
-            <input type="text" name="name" />
+            <input type="text" name="name" maxlength="140" />
           </td>
           <td>
-            <textarea style="border:0px"name="message" cols="100" rows="10"></textarea>
+            <textarea maxlength="400" style="border:0px"name="message" cols="100" rows="10"></textarea>
           </td>
+          <td>
+            <radiogroup>
+              <radio name="hmm"label="yeah" accesskey="Y" selected="true" value="yeah"/>
+              <radio name="hmm" label="nope" accesskey="N" value="nope" />
+            </radiogroup>
+          </td>
+        </tr>
       </table>
       <input style="font-size:200%" type="submit" value="sign"/>
     </form>