Ask any store owner about abandoned carts and they'll point at their recovery flow. It's set up. It sends. It even converts.
Now ask a harder question: what share of abandoned carts does that flow actually enter?
A recovery email needs an address to send to. Your platform only has one when the shopper is logged in, or made it far enough into checkout to type their email before quitting. Everyone else, the person who browsed six products, added two to cart, and closed the tab, is a ghost. No profile. No flow. Nothing fires.
The flow isn't broken. It's blind. It recovers the shoppers you already knew, and the ones you already knew were always the most likely to come back on their own.
Count the gap yourself
Open your email platform and pull the number of abandoned-cart flow entries from last month.
Now open your store analytics and pull add-to-carts for the same month.
Those two numbers should be having a conversation. For most stores they aren't even in the same room. The distance between them is the pile of carts nobody could recover, because nobody knew whose they were. Every one of those carts held a product someone wanted enough to pick up.
"Retargeting catches them"
Some of them, some days. You rent an audience from the ad platform, the ad follows people around, and a few come back.
But you never see who's in that audience, it thins out every year as tracking gets harder, and you pay for every impression served to it. Renting reach to your own shoppers is a strange long-term plan. And an ad in a feed is a billboard. An email that says the actual product is still sitting in the cart is a conversation.
"My popup gets their email"
The popup asks at the worst possible moment: the shopper just arrived, doesn't know your brand, and hasn't seen the product yet. Most close it on reflex. The ones who type an email in exchange for ten percent off are your most committed visitors, the same people who would have identified themselves at checkout anyway.
The shoppers you actually lose are the ones in the middle: interested enough to fill a cart, not committed enough to hand over contact info for it. The popup never had them. The checkout field never saw them. They walk out holding the cart.
The cart is already full
Notice what's already happened by the time this shopper leaves. They found your store. They picked products. They put them in a cart. The entire sale is built and waiting. The only piece missing is who they are.
That's not a marketing problem. That's an identification problem.
What KnownVisitors does
KnownVisitors identifies the anonymous shoppers on your store and gives you the record: name, email, phone number. The data comes licensed from a registered data broker, opt-outs are honored, and the contacts are yours, delivered by webhook or CSV into the tools you already use. Which means the recovery flow you already built finally has someone to fire for.
The cart is full. The shopper has a name. Go finish the sale.