Previous parts:
Part I: AsyncTasks [/android-background-in-a-nutshell-part-1/]
Part II: Loaders [/android-background-in-a-nutshell-part-ii-loaders/]
Part III: ThreadPools and EventBus
[/android-background-in-a-nutshell-part-iii-executors-and-eventbus/]
Parv IV: RxJava [/android-background-in-a-nutshell-part-4-rxjava/]
The time came, this is actually the article I am
