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Saniya Sood
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Published October 8, 2026 · Updated October 8, 2026
The answer in 60 words: the post that popped six months ago is a prospect list nobody harvested. This play lets you pick your best-performing posts, pulls every engager however old, qualifies them against your ICP as it stands today, because people change jobs and the list is warmer than you think, and sends a message that reopens the thread. One-time, LinkedIn only.
This article describes the play exactly as published on joinvalley.co/playbooks on October 8, 2026. Valley makes the product, so read it as the maker's own guide, not a review.
Valley is an AI outbound platform that finds the people most likely to buy from you - from live buying signals, natural-language search, or your own lists - qualifies them against your ICP, researches each one, and sends personalized messages across email and LinkedIn that get 15-45% reply rates, against a category average of about 2%.
► Run this play on your own ICP: 7 days free, every feature on
Give your sales team
an unfair advantage.
Who this play finds, and why they reply
A viral post is remembered by the people who engaged with it longer than by the author. The play's second step makes the case for mining an old one: people change jobs. The marketing manager who commented in March may be a VP by October, at a company that is now a fit, and the qualification runs against your ICP today, not the one you had when you posted.
It is the cheapest audience in the library because the work is already done. You wrote the post; it travelled; the engagers are sitting on it. Valley pulls them, however old the post is.
How the play runs
The flow, as the product shows it: Your past posts › Qualify fit › LinkedIn.
Pick your best-performing posts. Valley pulls every engager, however old.
Qualifies against your ICP today (AI step). People change jobs. The list is warmer than you think.
Reopens the thread. "You engaged with my piece on X" still works months later.
Before you launch
Bring your source links, or ask Scout to find a starting audience.
Setting | Value |
|---|---|
Audience | High + medium fit |
Cadence | One-time |
Cadence tag | One-time |
Sending channel | LinkedIn only |
Review the audience, message and sending settings before starting. The channel shown is the sending channel for this play, not the source of its prospects.
Give your sales team
an unfair advantage.
What the message says
"You engaged with my piece on X" still works months later, in the play's words, because it is true, specific and about something the reader chose to do. The message reopens that thread: the subject of the post, and why it matters to the person now, which research supplies.
The tone is a continuation, not an introduction. These people already know your name from the post; the message should read like the second half of a conversation.
Choose the post by subject before you choose it by reach. The best post to mine is the one that was about the problem you solve and still drew a crowd, because its engagers self-selected on the topic that matters. A bigger post on a general theme gives a longer list with a lower fit rate, and the qualification step will spend most of its effort discarding people who were never buyers.
When this is the wrong play
You want every post watched, not one mined. Message your post engagers is the daily version.
The post was viral outside your market. A personal story that reached a million people has few buyers in it. The ICP step filters, but the yield from an off-topic post is low; mine the post that was about your work.
The post was not yours. Message any post's engagers takes any URL.
Related plays
Message your post engagers: People reacting to and commenting on your posts, qualified and messaged.
Message any post's engagers: Paste any LinkedIn posts, yours or anyone's. Valley scrapes everyone who engaged and messages the best fits.
Harvest a testimonial post's engagers: When a customer posts about you, everyone who liked it just raised a hand.
Open the play itself: Mine your old viral post on the Valley playbook library, or browse all 58 plays.
► Want to see this play run on your accounts? Book a demo
FAQ
Can I still reach people who engaged with an old LinkedIn post? Yes. Valley pulls every engager from the posts you pick, however old, and qualifies them against your ICP today.
Why re-qualify an old audience? People change jobs and companies change shape. Someone who was not a fit when they engaged may be one now.
What does the message say? It reopens the thread: it references the piece they engaged with and what it means for them now.
How many posts can I mine? Pick your best-performing posts; the play runs once per set.
Does it work on reactions or only comments? Both. Valley pulls reactors and commenters.
How this page was made: the facts were read from the sources named in the text on October 8, 2026; drafted with AI assistance; fact-checked, reviewed and edited by Saniya Sood.
