public function postRegister()
 {
     $data = \Input::get('data');
     try {
         $recipient = \NewsLetter::register($data['email']);
         return \Response::json(['type' => 'success', 'message' => 'Registered to newsletter successfully.']);
     } catch (\Exception $e) {
         return \Response::json(['type' => 'danger', 'message' => $e->getMessage()]);
     }
 }