Amazon Isn't Building New Industries. It's Buying New Customers.

Amazon Isn't Building New Industries. It's Buying New Customers. — Astra Blog

The Amazon Flywheel: The Marketplace Is Always the Destination

Watch what Amazon has actually built over the last decade and the pattern is clear.

In 2017, they paid $13.7 billion for Whole Foods. Premium grocery footprint, but more importantly, identification of which Prime members shop premium in person. In 2018, $753 million for PillPack, which became Amazon Pharmacy in 2020. In 2023, $3.9 billion for One Medical, with the membership rolled into Prime at $9 a month later that year. In 2025, pharmacy vending machines inside One Medical clinics. Earlier this year, a national GLP-1 management program starting at $25 a month with insurance. This month, an $11.57 billion deal for Globalstar to expand satellite connectivity into rural America.

These look like five different industries. They're the same play.

Each move added a new entry point to the marketplace. Whole Foods brought premium grocery shoppers. Pharmacy brought people managing chronic prescriptions. One Medical brought primary care patients. The GLP-1 program brought a cohort of millions of Americans on a new class of weight management drugs. Globalstar brings rural households who weren't reliable Prime users because their internet wouldn't support it.

The product changes every time. The destination doesn't. Every door opens into the same marketplace, and Prime members spend roughly twice what non-Prime members do once they're inside, a ratio that has held steady for at least five years per CIRP data.

That's the framework. New vertical, new entry point, same marketplace. The categories Amazon enters look unrelated to anyone watching from the outside. From the inside, they're all the same instrument.

Why Amazon's Healthcare Doors Pull the Hardest

Not every vertical generates the same buyer pull. Prime Video keeps members renewing the $139 annual fee, but it doesn't really change what's in the cart. Twitch is the same. The strongest doors are the ones that change behavior, not just attention.

Healthcare is the cleanest current example.

It's recurring. Chronic conditions and ongoing prescriptions don't churn the way a streaming subscription does. A patient on a maintenance medication is a multi-year relationship with predictable refill cycles.

It's behavior-changing. Patients starting a new care plan adjust their nutrition, supplementation, and personal care almost immediately. The cart shifts because the lifestyle shifts.

And it pulls a specific basket of adjacent categories Amazon already sells. Supplements, protein, hydration, fiber, collagen, fitness gear, personal care, skin support. Every one of those categories has thousands of established third-party listings.

The numbers back this up. Per industry analysis, around 50% of Prime members already purchase frequently from health categories. About 35% of Amazon shoppers focus on health-related products. Search terms like "pain relief," "vitamins," and "first aid" sit among the highest-volume queries on the platform. Amazon has spent more than $14 billion on healthcare investments over five years.

Scale comparison: roughly 44% of Americans have an active Amazon Prime membership. HCA Healthcare, the largest US health system, serves about 1%. Amazon now operates the prescription, the primary care relationship, and the marketplace where these patients buy everything adjacent. No other retailer has all three.

That combination is what makes healthcare the strongest current example of the pattern. The recurring relationship plus the lifestyle change plus the basket overlap with categories Amazon already dominates. When all three line up, the door pulls hard, and the buyers flowing through it land in the catalogs of sellers who didn't have a healthcare strategy in the first place.

50% Prime members who already purchase from health categories 2× Spend: Prime members vs. non-Prime (CIRP, 5-year average) $14B Amazon's healthcare investment over five years

The Seller Move Is to Watch the Doors, Not Your Category

Most sellers spend their attention watching their own category for new competitors. Who launched a similar product, who's bidding on your terms, who's gaining review velocity. That's defensive attention, and it's the wrong frame for spotting a buyer cohort shift. The more useful question is which doors Amazon is opening that funnel new customers into your category.

Health, Hydration, Recovery

Healthcare and GLP-1 programs open a door directly here. Patients on weight management drugs need hydration and nutrition support immediately.

Pet Products

The One Medical playbook is replicable. Pet pharmacy or vet care program would funnel a high-LTV cohort toward pet categories.

Outdoor, Hunting, Generators

The Globalstar deal brings rural households with reliable broadband into Prime for the first time. Rural-skewed categories are direct beneficiaries.

Baby, Maternity, Family

One Medical already includes pediatrics. A pediatric care tier or family plan would funnel a high-LTV cohort directly toward family categories.

The framework is the same regardless. Identify which Amazon vertical sits adjacent to yours. Watch what they're investing in. Read the buyer cohort changes in your search term reports before they show up in your topline.

The Advantage Goes to Whoever Adapts Fastest

Spotting the cohort shift is one thing. Acting on it inside the window where it matters is a different problem.

Buyer cohorts entering Amazon through a new vertical don't arrive on a quarterly schedule. They arrive in a rolling stream, and the search terms they bring with them, the price points they're willing to pay, and the keywords they convert on are all shifting in real time. The seller who notices the new search terms three months in is already behind the seller who was bidding on them in week two.

The seller move is to feed your ad strategy with the live signals coming out of your account, not the assumptions you set six months ago. New search terms show up. Your bidding has to respond. Conversion rates on existing terms drift as the cohort behind those terms changes. Your ACoS targets have to respond. The brands that capture buyer cohorts as they appear are the ones whose advertising adapts on the same timeline the cohort does.

This is what Astra automates. The platform reads the daily signals, adjusts bids, surfaces new keywords, and rebalances campaigns on a rolling cycle, so the strategy keeps pace with whichever buyer cohort is actually showing up that month. It's the practical answer to a marketplace that keeps adding new doors.

The Honest Counterargument

Not every door opens the way Amazon expects.

The Fire Phone failed in 2014 and Amazon wrote down $170 million on inventory. The $475 million Saks investment is now considered presumptively worthless after Saks filed for bankruptcy this January. Haven, the joint healthcare venture with Berkshire Hathaway and JPMorgan, dissolved before producing meaningful results. Amazon Care shut down in 2022. The Halo wearable was discontinued.

The vertical expansion playbook isn't infallible. Some doors open into rooms nobody walks through.

But the seller question isn't whether each individual Amazon vertical produces a profit. It's whether Amazon keeps opening enough doors that, on net, more buyers land in the marketplace each year. On that question, the answer has been yes for a decade and shows no sign of changing. Amazon has subsidized loss-making customer acquisition channels before. The logistics buildout funded by seller fees is the most obvious recent example. The flywheel is the destination, not the originating product.

The right posture isn't to bet on a specific vertical. It's to bet on the pattern itself.

The Pattern Is the Point

That Champions League ad gave the game away. Amazon doesn't need to convince anyone that they ship things. They need to convince people that Amazon is also where you get healthcare, and groceries, and primary care, and prescriptions, and rural internet, and whatever the next vertical is. Each one is a door, and every door opens into the same marketplace.

For a seller, the right move is the one that's been right every time Amazon has expanded a vertical. Don't bet on the new vertical itself. Bet on the customers it brings into your existing one.

Amazon isn't building new industries. It's using new industries to buy new customers.

If you want a framework for running ads that can keep pace with shifting buyer cohorts, start here.