Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
The Announcer Badge was recently given for this question, but there are no links, neither in nor out.
And how does it work at all? Does it matter if I link a question or an answer?
When you click the link button to the lower left of a question, it appends your user number to the end of the link. So when people visit that link, it identifies their IP addresses with your account.
This is "my" link to this question.
This is the URL in my browser.