add(new Comments(
"comments",
Model.of("http://localhost:8080/wicket/bookmarkable/org.wicketstuff.facebook.plugins.CommentPage")));
add(new ActivityFeed("feed", Model.of("localhost")));
add(new Facepile("facepile", Model.of("http://localhost/")));
final Model<String> responseModel = new Model<String>();
final Label responseLabel = new Label("response", responseModel);
responseLabel.setOutputMarkupId(true);
add(responseLabel);