             }
         }
     }
-    static var layoutPool = LayoutPool()
+    private static var layoutPool = LayoutPool()
 
     private var feedSortStyle: FeedSortStyle = .Match {
         didSet {

                feedCellLayoutHash[key] = layout
            }

            println("feedCellLayoutHash.count: \(feedCellLayoutHash.count)")
        }

        private mutating func heightOfFeed(feed: DiscoveredFeed) -> CGFloat {


        let completion: [DiscoveredFeed] -> Void = { feeds in

            dispatch_async(dispatch_get_main_queue()) { [weak self] in

                self?.isFetchingFeeds = false
