The Leadership Letter

Real correspondence from the people running real companies — and what it reveals about leadership.

When Your Platform Is Threatened From Both Sides

When you sit in the middle of a market, your biggest danger isn't one competitor — it's being squeezed from every direction at once.

The $6B non-premium display market is undergoing a massive shift towards new buying and selling technologies. For Google, this means there are huge opportunities, but also threats to our existing business. Although we have seen anecdotal signs of this shift accelerating, an estimated 70% of the non-premium market is still being bought and sold through traditional ad networks. Thus the strategy in this rapidly evolving market for us is: 1. Be The Inventory Monetization Partner of Choice: attract the most brand safe inventory in the market through AdX and AdSense, and provide yield management solutions that meet the needs of all publishers. 2. Be The Buying Partner of Choice: Position AdX to receive the lion's share of budgets as marketing dollars shift to trading desks and DSPs, by signing Holding Company deals and implementing best-in-class technical integration with DSPs. Areas of concern exist today in the competitive landscape: 1. Disintermediation by Yield Managers — Yield Managers through a scrappy service and tech offering have side-stepped our platform strategy and are 'owning the remnant tag' for a growing number of premium publishers, putting at risk our current and future control over the inventory supply. 2. Inability to Access Large Portals and Social Sites: Facebook and Twitter are still growing rapidly and are currently non-addressable inventory, increasingly diverting dollars and focus away from Google.

1. Core Message

In August 2010, a Google strategist mapped the non-premium display ad market — then estimated at $6 billion — and identified two competing priorities. First: own both sides of the transaction, attracting publishers through AdX and AdSense while capturing advertiser budgets through holding company and DSP deals. Second: acknowledge two specific threats already eroding that position — yield managers cutting Google out of publisher relationships, and Facebook and Twitter sitting outside Google's reach entirely.

2. What the Executive Is Really Thinking

The memo opens by noting that 70% of the non-premium market is "still being bought and sold through traditional ad networks." That word still matters. The author sees a window that is closing. The strategy has to work before the remaining 70% migrates to new buying infrastructure Google doesn't control.

The deeper anxiety is positional. Google is trying to be the platform that connects buyers and sellers. The two threats in the document attack that position at both ends: yield managers take the supply side (publishers), while Facebook and Twitter capture demand (advertiser dollars and attention). Lose either end and the platform's value collapses.

3. Key Management Lessons

Two-Sided Markets Break From Both Ends

What it means

A platform connects two groups — here, publishers (sellers) and advertisers (buyers). The document's two threats map exactly onto those two sides: yield managers threaten the publisher side; Facebook and Twitter threaten the advertiser side.

Why it matters

You cannot protect one side and ignore the other. If publishers find a better yield tool, advertisers lose access to that inventory. If advertisers migrate to walled gardens, publishers follow the money. Both threats compound each other.

MBA Perspective

This is Platform Strategy by definition. A two-sided platform only stays valuable when it maintains density on both sides simultaneously. Losing critical mass on either side triggers a downward spiral.

Real-world application

A marketplace founder should map their two (or more) user groups and explicitly name the one or two companies most likely to peel away each group. Run a quarterly "what's the yield manager equivalent trying to own our supply side?" exercise.

Name the Threat Precisely — Vague Fear Is Useless

What it means

The document does not say "competition is intensifying." It says yield managers are "'owning the remnant tag' for a growing number of premium publishers" and that Facebook and Twitter are "currently non-addressable inventory." Specific nouns, specific mechanisms.

Why it matters

Vague threats produce vague responses. Precise threats produce actionable plans. The author distinguishes between a threat you can counter (yield managers — you can out-feature or acquire them) and one that is structurally harder (walled gardens you cannot access at all).

MBA Perspective

Porter's Five Forces separates threats by type: substitutes, new entrants, buyer power, supplier power, rivalry. This memo implicitly does the same — yield managers are substitute platforms; Facebook and Twitter are a different force entirely, acting as alternative destinations for ad spend.

Real-world application

When writing a competitive analysis, force yourself to describe each threat in one specific sentence: what exactly are they taking from you, from whom, and how fast? If you can't answer all three, you don't know the threat yet.

Define "Win" on Both Sides With Equal Specificity

What it means

The strategy has two parallel goals: "Be The Inventory Monetization Partner of Choice" (publisher side) and "Be The Buying Partner of Choice" (advertiser side). Each has its own named tactics: AdX and AdSense for publishers; holding company deals and DSP integrations for buyers.

Why it matters

Many platform companies define their strategy on one side and treat the other as a byproduct. This memo treats both sides as first-class strategic objectives with separate action items.

MBA Perspective

In two-sided markets, Competitive Moats are built by making switching costs high on both sides — not just one. A publisher deeply integrated with AdX's yield tools is hard to move. An advertiser using Google's DSP integrations is similarly sticky.

Real-world application

If you run a platform, write your quarterly strategy memo with two parallel sections — one for each side of your market. If one section is twice as long as the other, you have a blind spot.

Acknowledge What You Cannot Control

What it means

The memo calls Facebook and Twitter "currently non-addressable inventory." It doesn't pretend this is solvable through better technology or harder work. It's a structural fact stated plainly.

Why it matters

Honesty about constraints is a precondition for realistic strategy. Overestimating your reach leads to wasted resources. Naming a threat as structurally different forces the organization to think differently about it — potentially acquisition, partnership, or a parallel product — rather than applying the same playbook.

MBA Perspective

Context is unclear on what internal Google discussions about acquiring or partnering with these platforms looked like; this document alone does not say. But the framing "non-addressable" is itself a strategic signal: it means the normal competitive toolkit doesn't apply here.

Real-world application

In your next strategy document, add a section called "What We Cannot Solve With Our Current Model." Naming these constraints clearly prevents the team from spending cycles on impossible problems.

Control the Inventory Tag, Control the Revenue Stack

What it means

The specific phrase "owning the remnant tag" refers to yield managers placing their ad-serving code as the last call in a publisher's ad stack — meaning they control which unsold inventory gets monetized and how. The document flags this as putting at risk Google's "current and future control over the inventory supply."

Why it matters

Whoever holds the technical integration at the point of transaction has enormous leverage. This is not about brand preference — it's about code placement. A company that gets embedded in the workflow at the operational level can be very hard to displace, regardless of price or performance.

MBA Perspective

This is Switching Costs at the infrastructure layer. Once a publisher's ad server is configured around a third-party yield manager's tag, migrating away requires technical work, risk of revenue disruption, and organizational change. That friction protects the yield manager's position even if Google's product is theoretically superior.

Real-world application

For any SaaS or infrastructure product: ask yourself where in your customer's workflow your code or data sits. The closer you are to the actual transaction or output, the harder you are to remove. Prioritize technical integrations that sit at those points.

4. Strategic Analysis (MBA Style)

Competitive Strategy

Google's stated approach is to dominate both sides of a two-sided market before the market structure solidifies around new buying infrastructure. The 70% figure signals that most of the market is still in play. The strategy is essentially: move faster than the market shifts, lock in publishers on one side and agency/DSP budgets on the other, and become the default infrastructure before alternatives become entrenched.

Risk Analysis

The document identifies two distinct risk types. The first — yield managers — is a disintermediation risk: a scrappier competitor has inserted itself between Google and the publisher relationship. The second — Facebook and Twitter — is an exclusion risk: entire pools of inventory and advertiser attention exist outside Google's ecosystem and are growing. The first risk is recoverable if addressed quickly. The second is harder to resolve through product or sales effort alone.

Build vs Buy Analysis

The document does not explicitly address build vs. buy for yield managers. However, naming them as a competitive threat with an entrenched technical position ("owning the remnant tag") implies that building a competing yield management feature might be slower than acquiring one of these players — or deeply integrating with publishers to make the yield manager redundant. The document alone does not tell us which path Google chose from this point forward.

Market Dynamics

The ad tech market in 2010 is described as fragmented and rapidly shifting. Traditional ad networks hold 70% of transaction volume but are losing ground to programmatic buying infrastructure (trading desks, DSPs). This is a market in transition — the dominant design has not yet been established. In these windows, positioning matters enormously because the players who achieve scale and integration before the market consolidates tend to define the eventual structure.

Long-Term Strategic Implications

If Google succeeds in being both the dominant supply-side and demand-side platform, it controls the price discovery mechanism for a large portion of internet advertising. Publishers and advertisers would both depend on Google infrastructure, and Google would have visibility into both bid and ask prices — a structurally powerful position. If Google fails to address yield managers, it loses publisher loyalty on the supply side, which weakens the value proposition to buyers. The two threats compound: losing inventory supply makes the buying platform less attractive, which reduces revenue share to publishers, which accelerates the move to alternative yield tools.

5. Hidden Insights

The phrase "scrappy service and tech offering" to describe yield managers is doing quiet strategic work. It signals that the threat is not from a well-capitalized direct competitor but from small, fast-moving specialists who solve a specific publisher pain point better than a large platform does. This is classic disruptive innovation logic — the challenger doesn't need to beat Google across the board, only at the specific job of maximizing remnant yield. The memo implies Google knows it has moved slowly on this specific problem.

The framing "current and future control over the inventory supply" reveals that the threat is not just to today's revenue — it's to the data and forecasting advantages that come from being the platform through which inventory flows. Whoever routes the inventory sees the pricing signals. Losing that routing means losing a data advantage that is hard to rebuild.

The document's silence on specific financial targets or timelines for the proposed strategy is notable. It is a diagnosis and a directional plan, not an execution roadmap. This is consistent with a memo designed to align leadership on priorities rather than assign work — suggesting this is strategic framing upstream of more operational planning.

Court Exhibit
United States v. Google LLC (Ad Tech)
1:23-cv-00108 (VAED), Trial Ex. PTX0056 — DOJ public archive
August 23, 2010
Public domain
View the primary source →