Luke a Pro

Luke Sun

Developer & Marketer

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Chapter 2: The Core Logic and Loop of Online Marketing

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1. The Phenomenon: “Great Ads, No Money”

There is a common, awkward scenario in marketing: the owner sees beautiful backend data—clicks are soaring, shares are high—but at the end of the month, the profit is negative.

This is because Advertising is Reach, not Business.

Without a complete “closed-loop” logic, your traffic is like pouring water into a bucket with a hole in the bottom. In this chapter, we introduce two classic models to understand how money actually flows in.

2. Classic Model: The Marketing Funnel

The marketing funnel describes the user journey from having no idea who you are to eventually paying you. It’s called a “funnel” because users drop off at every layer; the further down you go, the fewer people remain.

Case Study: Wang’s Coffee Machine Journey

  • Awareness: While scrolling through his feed, Wang sees a minimalist video of a semi-automatic coffee machine. He hears of the brand for the first time.
  • Interest & Consideration: Wang thinks the coffee looks great and clicks through to the landing page. He reads reviews, compares prices with De’Longhi (a competitor), and follows the brand’s social account.
  • Conversion: While Wang is hesitating, the brand sends a precisely timed “20% off + free beans for 6 months” coupon. Wang finally places an order.

Insight: If the brand only made a cool video (Awareness) but had no detailed spec comparisons (Consideration) or a buggy checkout page (Conversion), Wang would have dropped off at any stage.

3. Advanced Perspective: The AARRR Funnel (Pirate Metrics)

For online marketing and digital products, we use the growth-focused AARRR model, which looks beyond the first purchase.

  1. Acquisition: Where are users coming from? (Ads, Search, Referral)
  2. Activation: The user experiences the product’s value for the first time (Aha! Moment).
  3. Retention: Do users come back? (If users buy once and leave, you’ll never recover your acquisition cost.)
  4. Revenue: Did the user pay?
  5. Referral: Are users willing to recommend you to friends? (This is the lowest-cost growth method.)

Case Study: A Fitness App’s Path to Growth

If a fitness app spends 100konTikTokadstoget100kdownloads(Acquisition)butusersopentheappanddonâ€Čtknowwhattodo(Activationfailure),that100k on TikTok ads to get 100k downloads (Acquisition) but users open the app and don't know what to do (Activation failure), that100k is wasted. But if they guide the user through a 5-minute meditation on day one (Aha! Moment) and remind them to check in every day (Retention), the user eventually subscribes (Revenue).

4. Key Conflict: Acquisition vs. Retention

The most expensive part of online marketing is always Acquisition.

  • Acquisition: Like fishing in the high seas—you need to buy the boat, the net, and pay for fuel.
  • Retention: Like digging a fish pond in your own backyard.

A healthy business model derives long-term profit from repeat customers, not first-time buyers. If your marketing loop lacks a retention strategy, you are essentially pouring expensive fuel into a machine destined to lose money.

5. Tension: Performance vs. Brand

  • Performance Marketing: Like taking Painkillers. You spend $100 today, you see orders today.
    • Example: Pinduoduo’s “Slash Price” or flash sales.
  • Brand Marketing: Like taking Vitamins. You spend money today, you might not see orders, but the user remembers you.
    • Example: Nike ads rarely tell you to “buy now”; they build a spirit. Next time you need shoes, you search “Nike,” saving them huge bid costs.

Conclusion: Without Performance, you starve today; without Brand, you exhaust yourself tomorrow.

6. Data’s Role: The Navigator, Not the Engine

In a closed loop, data tells you where the leak is:

  • High Clicks, High Bounce: The ad is alluring, but the landing page doesn’t match—users feel cheated.
  • High Add-to-Cart, Low Checkout: There’s a problem at the finish line. Maybe shipping is too expensive, or you don’t support their preferred payment method.

7. Summary: Loop Thinking

  1. Don’t look at ads in isolation: They are just the top of the funnel.
  2. Fix the leaks: Improving conversion by 1% is often cheaper than increasing ad budget by 10%.
  3. Pursue LTV (Lifetime Value): Making a customer come back is the only true “moat” in online marketing.

8. Brand in Action: Dollar Shave Club’s “God-Tier” Loop

Background: In 2012, a small company called Dollar Shave Club (DSC) released a video that cost only $4,500. It went viral, bringing in 12,000 orders in 48 hours.

Loop Breakdown: DSC’s genius wasn’t just the viral video (Acquisition), but the AARRR loop behind it:

  1. Activation: The copy was provocative: “Do you think your razor needs a vibrator, a flashlight, and 10 blades?” Users resonated immediately.
  2. Revenue & Retention: DSC didn’t sell single razors; they sold subscriptions ($1/month, blades mailed automatically). This solved the “forgetting to buy blades” pain point, turning a one-off sale into a lifetime subscription.
  3. Referral: They put funny cards and freebies in every box, encouraging users to share photos on social media.

Result: In 2016, Unilever acquired DSC for $1 Billion in cash. They didn’t just buy a razor company; they bought a high-retention growth system.


Next Chapter: Now that we have the logic, let’s learn the language. Chapter 3: Common Terms and Abbreviations Explained. We will translate those dizzying acronyms (CPC, ROAS, Pixel, etc.) into plain English.