doGet(e) versus doPost(e)

function doGet(e){

  var app = UiApp.createApplication();

  var panel = app.createVerticalPanel();

  panel.add(app.createLabel("Parameters:"));

  for( p in e.parameters)

    panel.add(app.createLabel(p));  

  app.add(panel);

  return app;

}

As a published service, with this URL (modified to include the "&..."):

https://sites.google.com/a/macros/thatwelove.com/exec?service=AKfycbxE4o2dQrpl6BpXSHdj-kPU1HyWuAZ3ncg&param=example&another=value