Seven lessons from Sterling Cooper, stress-tested against linear TV’s collapse, the $32-billion creator economy, and an algorithm that does not care how clever you think you are.

The Secretary Who Outlasted the Medium

Peggy Olson walks into Sterling Cooper in the first episode of Mad Men as Don Draper’s secretary. She walks into McCann-Erickson in the last season with a cigarette in her mouth, sunglasses on, and a piece of pornographic Japanese art tucked under her arm like a briefcase. In between, she does the single hardest thing in this business: she gets good, and then she gets credit.

She is also, inconveniently, not real. But the reason marketers keep quoting her is not nostalgia for gray flannel and day drinking. It is that the show’s writers did their homework on how advertising actually works, and the mechanics they dramatized have not aged a day. The delivery truck changed. The cargo did not.

And the truck really did change. Linear TV’s share of global media spend fell from 41.3% in 2013 to roughly 12.4% today, with linear ad spend projected to drop more than 11% in 2026 to about $139.1 billion (WARC, via eMarketer). In 2026, US connected-TV upfront spending of $17.73 billion is expected to pass primetime linear’s $16.98 billion – the first time streaming has won the most-watched daypart. Influencer marketing, meanwhile, grew from $1.7 billion in 2016 to roughly $32.55 billion in 2025, with 2026 forecast between $40.5 billion and $47.8 billion (Influencer Marketing Hub; Mordor Intelligence).

Peggy would have found all of that mildly interesting and completely beside the point. Here are the seven things she understood that a media plan cannot replace.

1. The Insight Lives in the Room Nobody Is Watching

Peggy’s career starts in a lipstick focus group. The Belle Jolie account team herds the secretaries into a room, has them try on shades, and watches through one-way glass – not to hear them, but to look at them. Peggy is the only person in the building who notices the wastebasket filling up with blotted tissues and calls it a “basket of kisses.” She was inside the research, not behind the glass, and that’s the whole trick.

This is not a period detail. It is the operating principle behind every dollar moving into creator marketing right now. When 60% of consumers call user-generated content the most authentic content they see and only 16% say the same of branded content (Stackla), they are describing the difference between a person in the room and an executive behind the glass. Nielsen’s trust data says it in harder numbers: 92% trust recommendations from people they know, versus 47% for TV, radio, and print and 33% for banner ads.

The 2026 translation: your best strategist is an unpaid stranger in your comment section. Read the one-star reviews. Read the Reddit thread where people complain about your category. Sixty-seven percent of Gen Z now uses TikTok as a search engine (Backlinko/GetAFollower, 2026) – which means your customers are literally typing their objections into a search bar, in public, for free.

2. Do the Legwork Before You Do the Wordwork

Before the Burger Chef pitch in season seven, Peggy and her team sit in actual Burger Chef parking lots paying actual mothers to answer actual questions. What comes back is not “moms want convenience.” It is that moms feel guilty. That is a finding you cannot get from a deck.

Her first instinct is to write copy that absolves the guilt – permission-slip advertising. It tests fine. It is also a little dead. Only after living with the research does she land somewhere better: what if there were a place with no television, where whoever you sat with counted as family? That idea did not come from more data. It came from the same data, held longer.

The 2026 translation: the industry has never had more research and never spent less time with it. Fifty-three percent of marketers say ROI attribution is their single biggest challenge in creator marketing (Linqia) – which is often a measurement problem wearing a costume, because the real problem is that nobody could articulate what the campaign was supposed to make somebody feel. Peggy visited the restaurants. Your brief should be able to survive the question “have you talked to one of these people this quarter?”

3. The Creative Is the Campaign. The Targeting Is Just the Envelope.

This is the lesson with the best numbers behind it, and it is the one the industry most reliably ignores.

NCSolutions and Nielsen have run the largest meta-analyses ever conducted on what drives sales lift from advertising – roughly 450 to 500 CPG campaigns across TV and digital. The finding has held steady across two studies almost a decade apart:

• Creative: 49% of incremental sales (47% in the 2017 study)
• Brand: 21% (up from 15% in 2017)
• Reach: 22% in the earlier analysis – the biggest non-creative lever
• Targeting: 11% (9% in 2017)

Now the punchline. When Advertiser Perceptions asked marketers and media agencies to estimate the same thing in February 2024, they guessed creative was worth about 19% – roughly 2.5 times too low – while systematically overrating targeting (Westwood One analysis). We have built an entire industrial complex around the 11% and starved the 49%.

Peggy never had a lookalike audience. She had one shot, one spot, and a client in the room, which is precisely why the work had to be good. The modern constraint is the opposite and somehow worse: infinite placements, infinite variants, and creative that only has to clear the bar of “not embarrassing.” The algorithm will happily deliver a mediocre ad to exactly the right person, on time, at scale, forever.

4. Timing Is a Creative Decision, Not a Media Decision

Peggy delivers the Burger Chef pitch the morning after the moon landing, and does something almost nobody does well: she opens by conceding she cannot tell a better story than the one everyone watched the night before, then borrows its emotional temperature. Millions of Americans had just sat in front of a television feeling connected to strangers. She sells them a table.

In 1969, the cultural moment arrived roughly once a decade and everyone watched it at the same hour. In 2026, it arrives every ninety minutes and everyone watches a personalized shard of it. TikTok’s 1.99 billion monthly users spend about 95 minutes a day in the app, and the recommendation engine – not the follower graph – drives an estimated 85% of video views. There is no shared living room. There are two billion of them.

The 2026 translation: speed has replaced scale as the scarce resource. An independent Kantar study across 1,018 campaigns found 40% stronger brand recall for ads on TikTok than other placements – not because the pixels are better, but because the format punishes anything that feels late. If your approval chain takes eleven days, you are not in the culture business. You are in the archive business.

5. Put Your Name on the Work – Out Loud, in the Room

The most uncomfortable Peggy scene in the series is not a pitch. It’s her telling Don, at one in the morning on her birthday, that she came up with the Glo-Coat idea and he accepted the award for it. His answer is that the work is the reward. Hers, roughly, is that this is easy to say when your name is on the door.

6. When the Room Won’t Change, Change Rooms

Peggy leaves. Twice, really – once for a copy chief title at a rival shop, once out the front door of McCann on her own terms. Both times the trigger is the same: she hits a ceiling that is structural, not performance-based, and declines to keep negotiating with it.

Budgets are making the same call. Money is not leaving television so much as leaving the non-addressable version of it. IAB projects US digital video ad spend at $81.9 billion in 2026, taking 61% of total TV-and-video spending against 39% for linear; electronics and tech advertisers cut linear by 42%. And yet linear still commands about 86% of TV ad impressions, purely because of ad load – 15-plus minutes per hour versus one to nine on streaming (StackAdapt/eMarketer). The old room is still loud. It is just increasingly empty of the people you want.

The 2026 translation: audit where your ceiling actually is. If your category buys the same three dayparts your competitors buy, you are paying a premium for a room where nobody can hear you. Micro-influencers in the 10K–100K range post average engagement of about 3.86% versus 1.21% for mega-influencers with a million-plus followers (DigitalApplied, 2026). Smaller room. Better acoustics.

7. Authenticity Is a Craft, and Now It’s Also a Compliance Function

Peggy’s great skill is writing in a voice that isn’t hers without lying. The Burger Chef spot works because the emotion is real, even though the mother on screen is an actress and the restaurant is a client. That line – sincere, but paid for – is where the entire creator economy lives, and it now has a regulator.

The FTC finalized its rule banning fake reviews and testimonials on August 22, 2024, and civil penalties now run up to $53,088 per violation, each undisclosed post counting separately. Brands are jointly liable when creators fail to disclose; pointing at the influencer’s contract is not a defense. In January 2026 the Commission stood up a dedicated AI enforcement unit, and New York’s synthetic-performer disclosure law took effect June 9, 2026. Meanwhile Kantar puts ad avoidance up 14% year over year, 46% of Gen Z skip a video ad that hasn’t hooked them in three seconds, and ads under fifteen seconds are recalled by 64% of them versus 21% for ads over thirty (Zebracat, 2026).

Put it together and you get the least surprising conclusion in marketing: you have three seconds, your audience assumes you are lying, and the government now agrees that assumption is reasonable. Peggy’s answer would be the one she gave in 1969. Find the true thing. Say it fast. Don’t decorate it.

The Peggy Test: Five Questions Before You Approve Anything

1. Have I personally talked to one actual customer about this, in the last thirty days, without a moderator present?
2. If you stripped out the targeting, the retargeting, and the frequency cap, would this ad still work? (Remember: creative is 49% of the lift. Targeting is 11%.)
3. What is the feeling? Not the benefit, not the differentiator – the feeling. Say it in one sentence with no adjectives.
4. Does the first three seconds earn the next twenty-seven?
5. Whose name is on this, and does that person know they’re allowed to say so?

Peggy would have hated question four – she’d have argued the whole thing should earn the whole thing. She’d also have won that argument eventually, in a room where nobody wanted to hear it. That is more or less the job.

Sources

•  NCSolutions & Nielsen, “Five Keys to Advertising Effectiveness” (2023); Nielsen Catalina Solutions (2017) – creative 49%/47%, brand 21%/15%, reach 22%, targeting 11%/9% of sales lift. Via MarketingCharts and Ebiquity. •  Westwood One / Advertiser Perceptions (Feb. 2024) – marketers estimate creative at 19% of sales effect.

•  EMARKETER – linear TV ad spend down 11%+ in 2026 to $139.1B (WARC); global media share 41.3% (2013) to 12.4%; tech/electronics down 42%; US CTV upfront $17.73B vs. primetime linear $16.98B. •  IAB, Digital Video Ad Spend and Strategy – US digital video $81.9B in 2026, 61% of TV+video spend vs. 39% linear. •  StackAdapt/EMARKETER – linear holds 86% of TV ad impressions; 15+ min of ads per hour vs. 1–9 on streaming.

•  Influencer Marketing Hub – $1.7B (2016) to $32.55B (2025); $5.78 average return per $1. •  Mordor Intelligence ($40.51B) and Grand View Research ($45.2B platform market), 2026 forecasts. •  Linqia – 53% name ROI attribution their biggest challenge. •  DigitalApplied (2026) – micro-influencer engagement 3.86% vs. 1.21% mega.

•  Nielsen, Global Trust in Advertising – 92% trust people they know; 47% TV/radio/print; 33% banner. •  Stackla – 60% call UGC most authentic; 16% say the same of branded content. •  Kantar – independent study of 1,018 campaigns, 40% stronger brand recall on TikTok; AdReaction (2025), ad avoidance up 14% YoY.

•  TikTok data via SocialPilot, GetAFollower, Backlinko (2026) – 1.99B MAU; 95 min/day; 3.70% engagement vs. 0.48% Instagram; algorithm drives ~85% of views; 67% of Gen Z use it as a search engine. •  Zebracat, Gen Z Marketing Statistics (2026) – 46% skip ads not hooked in 3 seconds; 64% recall ads under 15 seconds vs. 21% over 30.

•  CreativeX, 2025 Gender in Advertising Report (via EMARKETER) – 71% of women globally in domestic roles vs. 20% leadership; US 95% vs. 3.3%. •  Creative Equals / Muse by Clio – women hold 12.6% of creative director roles globally. •  Nielsen – women to control 75% of discretionary spending by 2028. •  Ipsos – 20% lift in choice intent from positive female representation.

•  FTC – Rule on the Use of Consumer Reviews and Testimonials, 16 C.F.R. Part 465, finalized Aug. 22, 2024; penalties up to $53,088 per violation; AI enforcement unit established Jan. 2026 (ftc.gov). •  N.Y. S8420-A – synthetic-performer disclosure law, effective June 9, 2026.

•  Robert McG. Thomas Jr., “Shirley Polykoff, 90, Ad Writer Whose Query Colored a Nation,” The New York Times, June 8, 1998. •  Mary Wells Lawrence, A Big Life (In Advertising), 2002. •  Jane Maas, Mad Women, 2012. •  Mad Men, AMC (2007–2015): “Babylon” (1.06), “The Hobo Code” (1.08), “The Suitcase” (4.07), “The Strategy” (7.06), “Waterloo” (7.07).