             do {
                 let action: UIAlertAction = UIAlertAction(title: maybeNextTimeTitle, style: .Default) { action in
                     increaseExponentialBackoff()
-                    println("increaseExponentialBackoff")
                 }
                 alertController.addAction(action)
             }

            let exponentialBackoff = exponentialBackoff()
            let tryReviewOnTheAppStoreCount = tryReviewOnTheAppStoreCount()

            println("exponentialBackoff: \(exponentialBackoff)")
            println("tryReviewOnTheAppStoreCount: \(tryReviewOnTheAppStoreCount)")

            guard Double(tryReviewOnTheAppStoreCount) > pow(2, Double(exponentialBackoff)) else {
                println("try...")
                return
            }


            do {
                let action: UIAlertAction = UIAlertAction(title: confirmTitle, style: .Cancel) { action in
                    setNoMoreReviewOnTheAppStore()
                    UIApplication.sharedApplication().yep_reviewOnTheAppStore()
                }
                alertController.addAction(action)
