Everybody knows everybody else.
And everybody knows somebody that knows you - or somebody that you want to know.
No joke, this happens all the time! Once, I was sitting with a coworker in NY discussing our weekends only to find out his friend Rodney from Atlanta was my friend Rodney from Atlanta. (Good thing I didn't say anything bad about him. lol.) Another time, an ACD that was awful to me emailed me years later asking me to introduce her to my ECD. Yeah. Right.
This is why it's important to manage your reputation, be amazing at work, connect with people and not be an asshole.
If you don't believe me, read Cecilia Gorman's post (see below). Cecilia is a creative recruiter and advocate for juniors (previously featured in Recruiter Loves & Hates). Her blog Confessions of a Creative Recruiter is pretty much what Baby Food For Creatives would be when (if) it grows up. She has great advice, examples and input for all aspects of your creative life.
Here is a post of hers I absolutely love on the six degrees of separation in advertising.
Coming Around and Going Around
In our industry it is a well-known rule, every person you cross paths with once, you'll cross paths with again. The sooner you learn this, believe this and act on this, the better.