Discoverability of old content on hive is trash. Unless you go Looking for something on HIVE (all the front ends have really slow search mechanisms) it is hard to ascertain the publish date of anything (without large amounts of digging), which is really important - because if I'm trying to find out how to do something... well, process might have changed.

Communities are helpful, but they have a stream of content.

Perhaps someone wants to cook something up that feeds people a random, ancient HIVE post, and then... when someone chooses to vote on it, it creates a comment with the proceeds going to the original author using the beneficiary system.