     @IBOutlet weak var geniusesContainerView: UIView!
     @IBOutlet weak var discoveredUsersContainerView: UIView!
 
+    lazy var discoveredUsersFilterButtonItem: UIBarButtonItem = {
+        let item = UIBarButtonItem(
+            image: UIImage(named: "icon_list"),
+            style: .Plain,
+            target: self,
+            action: #selector(DiscoverContainerViewController.tapDiscoveredUsersFilter(_:))
+        )
+        return item
+    }()
+
     var currentOption: Option = .MeetGenius {
         didSet {
             switch currentOption {

        }

        currentOption = option
    }

    // MARK: - Navigation

        segmentedControl.addTarget(self, action: #selector(DiscoverContainerViewController.chooseOption(_:)), forControlEvents: .ValueChanged)
    }

    // MARK: - Actions

    @objc private func chooseOption(sender: UISegmentedControl) {

        guard let option = Option(rawValue: sender.selectedSegmentIndex) else {
