A subject is just another observable… A special observable which values you can control from the outside. If this DOES NOT catch your curiosity on subjects that’s YOUR TALK. Learn how to get the most out of subjects. Solve multicasting problems, implement caching, maintain your subscribers, and implement a message bus. All of this with subjects.

Furthermore you will realize how often you miss used them. After this talk, you will understand:

• What’s a subject?
• Types of subjects?
• How to implement subjects on your own
• Common scenarios and use cases for subjects
• The difference between Subject, Behavioursubject, ReplaySubject and AsyncSubject 
• How to deal with multicast and single cast observables 
• How to implement caching. And you will have enough knowledge to implement subjects in your production projects