Groups API: Currently apps need the permission of a group admin or member to access group content for closed groups, and the permission of an admin for secret groups. (newsroom.fb.com)
Ensure learners access the training that meets their needs and abilities by grouping content into Levels. (growthengineering.co.uk)
Casual players will grind up to 50 and when they realize they are pretty much locked out of group content because to their low veteran rank they are going to quit. (massivelyop.com)