Well, if you've been studying dialectical materialism and how to analyse things and events as processes that are related to, influence and are influenced by other processes, you can always share your thoughts on particular things. As in, you can share your politics and Marxist philosophy by correctly applying them and bringing some clarity to our current reality and demonstrating why certain things led to certain developments. This will surely get positive feedback. Well, unless there are some severely reactionary and irrational tendencies amongst your online friends.