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Let’s be honest: if you still believe media buying is a transparent process in 2025, I’ve got a bridge in the metaverse to sell you.
The Skeptical Person’s Guide to Auditing Your Adtech Supply Chain
Ever get that sneaking suspicion you're getting hustled—but you're not sure exactly how?
Of course you have—you're in digital advertising.
If your programmatic buy feels like you're handing out cash at a shady carnival game run by bored teenagers who won't explain the rules, you're not alone.
Let's start with a relatable story. You buy premium media at a generous $20 CPM, feeling good. Your agency assures you this is top-tier stuff—"brand-safe, verified, optimized," they whisper sweetly into your ear. The DSP rep confidently tells you it’s backed by "proprietary bidding algorithms," which sounds impressive enough for your boardroom slides. The SSP smiles mysteriously, saying it’s delivering optimal yield, whatever the hell that means.
Yet, like some twisted, digital version of "telephone," each link in the chain takes a slice. By the time your twenty-dollar bill makes its way through the endless layers—DSPs, SSPs, resellers, exchanges, wrapper fees, verification companies, and data providers—you're lucky if a third of that original value reaches the actual publisher. You know, the publisher—the entity actually serving your ad to human eyeballs, assuming those humans aren’t bots binging on junk inventory.
This isn’t a supply chain. It’s a casino—and guess what, you're the sucker holding chips that vanish into thin air.
🎩 The Great CPM Vanishing Act
Programmatic advertising has pulled off the kind of disappearing trick that would impress Penn and Teller. Every dollar that passes through the murky adtech labyrinth shrinks, often dramatically. And like any good magic trick, you, the paying audience, aren't allowed behind the curtain.
When you dare ask where your cash went, the answers you get are typically vague to the point of parody:
Your DSP mutters about "algorithmic bid shading."
The SSP vaguely waves their hands at "optimal yield management."
Agencies roll out slick slide decks filled with jargon, pivot tables, and bar charts that illustrate exactly nothing.
What they're really telling you is simple: stop asking questions.
🕳️ SPO: Supply Path Obfuscation
Then there's the industry’s favorite buzzword: Supply Path Optimization, or SPO. It’s supposed to streamline programmatic buying, ensuring you pick the best route to publishers, cutting down on inefficiencies. Sounds wonderful, right?
Spoiler alert: It rarely works like that in practice. Instead, SPO usually means agencies pick the SSP that’s most profitable for them or their corporate siblings, not necessarily the one that’s best for your actual campaign. The touted "optimization" typically translates into a shell game where SSPs are swapped in and out based on mysterious internal incentives rather than performance.
Ask your DSP or agency for a clear, detailed audit of your supply paths. Watch how quickly their mood shifts from friendly consultant to DMV clerk when you forget your forms.
📉 Follow the (Disappearing) Dollar: From $1.00 to $0.36
Let’s bring this home with cold, hard numbers. Here’s how your money evaporates step by painful step:
Stage in the Supply Chain | Fee Taken | Remaining Value |
|---|---|---|
Initial Media Investment (Your $1.00) | — | $1.00 |
DSP Take Rate (~20%) | -$0.20 | $0.80 |
SSP Take Rate (~15%) | -$0.12 | $0.68 |
Data Fees & Verification | -$0.18 | $0.50 |
Reseller/Wrapper Margins | -$0.14 | $0.36 |
Yes, seriously: that neatly packaged $20 CPM ends up delivering roughly $7 worth of real, working media. If any other industry lost two-thirds of the product you paid for on delivery, someone would be fired, sued, or possibly sent to jail. But in advertising? We just call it a Tuesday.
📊 The Optimization Illusion
Here’s the bitter truth behind all the dashboards, charts, and glowing QBRs you're handed: your media isn't being optimized for efficiency or effectiveness—it's being optimized for someone else's profit margin. DSPs and SSPs have zero incentive to make things clearer. Complexity is their business model, not a bug. The more opaque, the fewer questions you ask—and the longer you stay locked into contracts that favor their bottom line.
This illusion of efficiency is so successful precisely because it feels productive. It looks impressive on quarterly reviews, justified by the comforting familiarity of words like "performance," "scale," and "transparency." But underneath that gloss? You’re mostly buying a very expensive smokescreen.
🕵️ Audit or Donation? Your Choice
You’ve reached a crossroads. You can continue to nod politely while your DSP rep confidently explains away your missing budget with algorithmic wizardry, or you can demand clarity. Real clarity—not a PowerPoint loaded with nonsense acronyms.
Marketers who accept vague answers and opaque "proprietary" excuses aren't clients; they're donors. You might as well claim it as a tax write-off, except the IRS doesn't reward gullibility.
Here's a blunt truth you need to tattoo on your brain:
If your agency, DSP, or SSP can't hand you a full receipt for every dollar, you're not a client—you’re a donor.
📌 Coming Up Next (ADOTAT+ Members Only)
Ready to rip back the curtain and track exactly where your money goes?
🔒 PART II: “Follow the Money: How to Trace Your Spend from DSP to Publisher”
We’ll arm you with step-by-step methods, log-level details, and the exact questions your vendors dread. You’ll learn to track every penny—no more excuses.
🔒 PART III: “The Hidden Fee Circus: Shadow Margins, Double Dips, and SSP Roulette”
We dive deep into shadow margins, the chaos of reseller layers, and the methods platforms use to quietly boost margins.
🔒 PART IV: “What To Do When Everyone Says ‘Proprietary’: Tools for Forced Transparency”
Your vendors refuse to open the books? We reveal the tools and tactics for forcing transparency, backed by industry veterans who’ve successfully done it.
🔒 PART V: “How to Build a Clean Supply Chain Without Getting Screwed”
Learn how to rebuild your buying strategy from the ground up, cut wasteful spend, and build a cycle of continuous auditing and improvement.
🚨 Your move, marketer.
Time to stop guessing and start auditing.
👉 Subscribe to ADOTAT+ to unlock the entire guide and more industry truths.
Stay Bold. Stay Curious. Know More Than You Did Yesterday.
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