/**
  * TODO Update to match new api... 
  */
 public function unfollow($data, $form)
 {
     if (!$this->securityContext->getMember()) {
         return Security::permissionFailure($this);
     }
     $otherID = (int) (isset($data['OtherID']) ? $data['OtherID'] : null);
     if ($otherID) {
         $other = DataObject::get_by_id('Member', $otherID);
         $this->microBlogService->removeFollower($other, $this->securityContext->getMember());
     }
     $this->redirectBack();
 }