I'm looking down the badges list and see the Announcer badge:
And so what I was wondering was how tracking/obtaining this badge is possible. Is there some kind of referral link somewhere that I don't know or does SE employ unicorns?
First make sure you are logged in, and then give out the
link URL for the question, new users that come in via this URL will be counted towards your badge.
How it works
The link on this question shows as (to me):
39366 is my user ID (as per the URL when looking at my user profile), which is all there is to it - unique URLs that are attributed to a specific user ID.
For more info, check out the blog post.