Using Reactive Frameworks in Objective-C and Rx Swift

I think the way I like to think about this is there are so many tools that we have to use, you know, from p threads to to GCD to to completion closures. And over time, as we started to investigate other concurrency patterns, everything's like Promise Kit. They're sort of a one shotync value. So Promises have their limitations. But then Rx Swift and and combined and these types of reactive frameworks come out. And they are like far more complex, but also far more powerful.