It's used to indicate that the speaker is listing some examples, but there are other, unmentioned things that also apply. It suggests that the list is not exhaustive.
Here are some examples of how to use "among other things":
* "This book, among other things, discusses the history of the Roman Empire." (The book may discuss other topics as well, besides the history of the Roman Empire.)
* "The company offers a wide range of services, among other things, website design, social media marketing, and search engine optimization." (The company may offer other services besides those listed.)
* "She is a talented artist, among other things." (She may also have other talents or qualities besides being a talented artist.)
In essence, "among other things" acts as a signal that the speaker is giving a partial list and there is more to be said or considered.