# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2019-01-05 23:53:19 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/1081700200530567168) In reply to: [@None](http://twitter.com/None/status/1081592964130828295) @Catfish_Man @glaurent Completely agree that the example above isn’t worth it. But for large overlapping processing tasks, it’s absolutely worth the complexity of concurrency. For those times, NSOperation is the way to go for it’s helpful state machine.