* I have played kahoot, it's great...but it's very real-time, e.g. everyone has to be on the call at once from my understanding. I'm thinking of something much more asynchronous...the formation of a club, meaning, members would go and take time to think and search their soul a bit before submitting a much longer set of answers, essay, etc. within a time domain of weeks.

* Mentimeter - seems to be the same type of, "sector," e.g. real-time engagement as opposed to long-term, "time-capsuling" of documents.