Section 3: Angular Material

Section 4: Diving Deeper into Angular Material

Section 5: Working with Data and Angular Material

Section 6: Using Angularfire & Firebase

Academind: Understanding RxJS

https://www.youtube.com/embed/T9wOu11uU6U

84. Listening to Value Changes (of Firestore)

AngularFire

https://github.com/angular/angularfire