Difference between Cold observable and Replay subject?
<p>I can see from the docs that:</p>

<p>Cold Observables emit the entire sequence of values from the start to every Observer.</p>

<p>and</p>

<p>ReplaySubject emits to any observer all of the items that were emitted by the source Observable(s), regardless of when the observer subscribes.</p>

<p>So what is the difference between these two concepts?</p>

<p>Thanks</p>