I think there should be a section where you can post a milestone you have reached on this site, or an achievement. For example, if you have just joined a group, been promoted, reached a certain number of posts, etc.
Of course with this there would have to be rules. So you couldn't make a post saying you just reached 58 posts. There would have to be set milestones. So you could only post if you posted a certain number of times. 100, 200, 350, 500, 800, 1000, etc. Or something like that.
Anyone like the idea?