I found the various elements by searching twitter and google for relevant links, accounts, and examples, using search terms such as "twitter genres" and "shared hashtag stories." Inspiration also came from the article Consider Twitter Fiction by Anthony Santulli as found on The Review Review. I also took some inspiration from my own twitter's timeline!
This storify does not portray the full story, as its goal is to highlight different types of storytelling on twitter as opposed to delving deep into any particular one. However, this could absolutely be used as the starting point for a more in-depth paper as each type of twitter storytelling technique could be explored further.