private void SelectLiveTileSubreddit(object sender, RoutedEventArgs e)
{
var locator = new ViewModelLocator();
var spvm = locator.SubredditPicker;
var cpvm = locator.ContentPreferences;
_pickerTask = PickerTask.LiveTileReddit;
spvm.SetSubredditList(cpvm.LiveTileReddit);
var _navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
_navigationService.Navigate<SubredditPickerPageView>(null);
}