Here is a list of features available on Tier One
Conversation Hub - a forum like hosting page that will list, filter, sort, and open conversations
Single Conversation macro - embed one thread (topic) where context matters
Engagement - reply, like, pin to the top of the list, and subscribe to individual conversations
Categories - assign the conversation to a supplied category or create your own
allows for searching
grouping
maintaining conversation focus
Import existing Confluence pages into the Conversation Hub
Conversation Pages - creates Live docs page automatically with each new conversation
Archive individual replies directly onto that Conversation's Confluence page
Archive the entire conversation when it has been resolved
Dashboard for Hub activity
lists top conversations
List top contributors
Notify coworkers