Can users subscribe to it and be abreast with updated tweets? Or is it only a slideshow of the creator's tweets that he/she wants to showcase? What is the best metaphor or analogy for the same? I am looking for a solution where I can publish my thoughts about a certain topic on twitter if possible. Today I think the only alternative is to own a dedicated account. Just looking out for other options.
Moments are generally used for breaking news or some live events like sports. You could create a collection on tweetdeck. They are used for organizing tweets by topics and interests. They also look and feel like normal timelines.
Here's a sample collection from The New York Times on Hurricane Maria and Puerto Rico