Remarketing explained: the follow-up call, gone digital
Why those shoes follow you around the internet, and why it's not as spooky as it feels.
You looked at a pair of shoes online once. Now they're following you around the internet, on the news, on Facebook, everywhere.
Spooky? Not once you know how it works. It's one of the oldest tricks in sales, with a shiny new name.
Remember the follow-up call?
Back in the day, you'd ring a business and ask about something. A good salesperson took your name and details. They might post you a brochure, or later email you some information. Then they'd make a note to call you back in a week.
Has anyone ever had that call? Of course. That's remarketing.
They had your information, and they used it to keep the conversation going. Marketers call it a nurture sequence: a planned series of follow-ups. Nobody thought it was creepy. It was just good sales.
What changed: you don't have to say a word
Today, the follow-up is the same. What's changed is how the business gets your information.
You don't have to ring up or hand over your email. You just have to visit and click.
Every click tells the internet something about you. Which page you read, which product you looked at, how long you stayed. That gets logged.
How it actually works
Most websites carry a tiny bit of code from the big ad platforms, often called a pixel. When you visit, it drops a small file in your browser called a cookie. The cookie doesn't hold your name. It holds a tag that says, in effect, "this browser looked at running shoes".
Advertisers then tell the platform: "show my ad to people who looked at running shoes." When your tag matches what they're looking for, it's a hit, and up comes the ad.
That's the modern follow-up call. It's a log, a match and an ad. Not a person watching you, just logic.
You're still in charge
Because it's logical, you can control it.
- Cookie banners: when a site asks, you can say no to the non-essential cookies.
- Clear your cookies: wipe your browser's cookies and the tags go with them.
- Ask why: Google and Facebook both have a "Why am I seeing this ad?" option on their ads. Tap it, and you can see the reason and adjust your settings.
On this site, nothing switches on until you've made a clear cookie choice. That's how it should be everywhere.
Fancy words, classic marketing
The IT era loves putting fancy words on classic marketing. Remarketing, retargeting, nurture sequences, audiences. Strip the words back, and it's the follow-up call your grandparents got.
It's not creepy and weird. It's all logical once you know.
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Every idea here is mine, sorted with Claude's help.