public function Popin()
 {
     $this->Permission('Garden.SignIn.Allow');
     // Fetch from model
     $Conversations = $this->ConversationModel->Get2(Gdn::Session()->UserID, 0, 5)->ResultArray();
     // Last message user data
     Gdn::UserModel()->JoinUsers($Conversations, array('LastInsertUserID'));
     // Join in the participants.
     $this->SetData('Conversations', $Conversations);
     $this->Render();
 }