IN YOUR MEMO THIS EDITION
The 1970s direct mail trick that still prints money
And the behavioral science paper that proved why it works
19 digital formats running the same psychology right now
Without a yellow square in sight
The Canva template — yours to steal
Reply "POST-IT" to get first access when it drops
INTRO
Remember when Post-it ads were everywhere? And how effective they were!
Well, I was today years old when I learned this lever came from direct mail.
Dan Kennedy, the godfather of direct response copywriting (the guy who edited copy the way a great buyer edits a floor, keeping only what earns its place), is one of the people who made it famous.
His move: attach a handwritten yellow Post-it to the top of a sales letter. Looked like someone had flagged it for you. "Thought you'd want to see this."
(P.S. at the bottom of this issue: the book. Highly recommend.)
A BEHAVIORAL SCIENTIST WALKS INTO A MAILROOM
In 2005, behavioral scientist Randy Garner put a number on why it worked. Three groups, one variable, wildly different results. Survey return rates hit 75% when a handwritten Post-it was attached, dropped to 48% with the same message written on the cover letter, and bottomed out at 36% with nothing.
His read: the note didn't look like a request. It looked like it belonged there.
The Post-it was doing two things simultaneously (overachiever, honestly):
Breaking the autopilot. That split-second filter your brain runs on every piece of mail, routing 90% straight to the bin before you've clocked what it is. The Post-it glitched it. Just long enough.
Looking like it belonged. A handwritten note reads as correspondence, not a campaign.
THE DESCENDANTS
Every digital format that's worked in the last five years runs the same play. Post-it ads slapped on products, on the lens, on a table... plain text emails with zero branding, DM screenshot ads. None of it trips the filter, because none of it looks like it came from a media budget.
The psychology hasn't moved. These are all the ways brands are pulling the digital native post-it right now, without a yellow square in sight. (The low battery moment always catches me off guard… see below)
Reddit
The comment section that out-converted your campaign.
FB/IG Post with Comments Below
The ad is the caption. The magic is three rows down.
Comments Overlay
= Borrowed credibility
Notification
Made you look (ha!)
Reply-to Comment
The oldest sales technique in the world, finally with a blue checkmark.
Notes App
Your iPhone Notes called.
It wants credit.
AirDrop
Arrived like it was meant for you specifically.
Reminder
It didn't interrupt your day. It joined your to-do list.
Calendar
Made it onto your schedule without being invited.
Calendar notification
You set this reminder. Except you didn't.
ChatGPT with Image
AI said it. You believed it faster.
ChatGPT
The recommendation that feels like research.
Text Messaging Sequence
The conversation you forgot you never started.
Weather Forecast
The one format nobody has ever questioned.
Image Search
It wasn't an ad. It was the first result.
Search Bar
The suggestion that planted itself before you finished thinking.
Google Translate
Lost in translation.
Found in conversion.
Email
Plain text. No logo. The email nobody was supposed to see (ahem)
Low Battery Notification
The scroll-stopper that hits different at 10%.
🧩 ACRONYM THERAPY
UGC
User Generated Content
Native by design. Produced to feel unproduced.
But also…
Underground Post-it Game, Continued
CANVA TEMPLATE. ON US.
We built the first batch of these as a ready-to-use Canva template.
Yours to steal, adapt, and never credit us for - reply POST-IT and you’re on the list. It goes out next week.
The Creative Strategist
at The Marketer’s Memo
P.S. The Post-it psychology is one move in a whole playbook. Dan Kennedy's The Ultimate Sales Letter is the book every great copywriter has read and nobody talks about loudly enough. It reads like the operating manual for human persuasion. The good kind of unfair advantage.
