Open edX 2017: Xblocks and beyond: Extending Open edX

[@sytzebuz]

Hey Felipe, thank you for your valuable insights!

[@pablodiaz1811]

Good, very nervous but Good.

[@eugenekuzmenko4716]

- All kinds of services ... Cohorts... Cohorts? No they not. There is no service for cohort. I saw your Staff Graded XBlock and you just straight up importing Cohorts model from EDX. If there is a service for cohorts, then which is it? I haven't found any