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a16z Podcast | The Basics of Growth 1 -- User Acquisition

with Andrew Chen (@andrewchen), Jeff Jordan (@jeff_jordan), and Sonal Chokshi (@smc90) Growth is one of the most top of mind questions for entrepreneurs building startups of all kinds (and especially consumer ones) -- but how does one go beyond a mindset of "growth hacking" to thinking about growth more systemically and holistically? What are the key metrics to know; why; and how? This episode of the a16z Podcast -- one of two in a series -- focuses on the user acquisition aspect of growth, followed by engagement and retention in the next episode. Featuring a16z general partners Andrew Chen and Jeff Jordan, in conversation with Sonal Chokshi, the discussion also covers the nuances of paid vs. organic marketing (and the perils of blended CAC); the role of network effects; where does customer lifetime value (LTV) come in; and much more. Because at the end of the day, businesses don't grow themselves...

Sonal ChokshihostAndrew ChenguestJeff Jordanguest
Jan 2, 201920mWatch on YouTube β†—

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At a glance

WHAT IT’S REALLY ABOUT

Why Businesses Don't Grow Themselves: Acquisition, CAC, LTV and Organic Channels

  1. Andrew Chen and Jeff Jordan argue that growth is a systematic discipline spanning acquisition, engagement and retention, not a set of tricks, and that businesses do not grow themselves.
  2. Jordan says growth decays over time as the law of large numbers sets in, so entrepreneurs must keep adding new layers, as eBay did with fixed price, international expansion and payments.
  3. The two explain that LTV to CAC and paid CAC are more informative than blended CAC, because paid acquisition economics typically degrade as a company scales and reaches less interested users.
  4. They say the best businesses often acquire users for free through channels like restaurant websites for OpenTable, visible cars and scooters, or bottoms-up workplace sharing, and that paid marketing works best as one small part of a channel portfolio.
  5. Chen suggests fitting products into current trends such as video and Instagram-ready experiences, while noting these opportunities are temporary because competitors will copy them.

IDEAS WORTH REMEMBERING

5 ideas

Growth is not magic or a bag of hacks

Chen says growth has distinct parts, acquisition, engagement and retention, each needing systematic attention, and Jordan calls it a scientific discipline requiring micro-level understanding of the business.

Growth naturally decays, so entrepreneurs must add layers

Jordan describes growth falling from triple digits toward lower rates over time and says entrepreneurs must layer on new growth sources, as eBay did with fixed price, international and payments.

Apparent exponential curves hide lots of work

Chen notes that a seemingly viral curve is often a combination of opening new markets, launching products and reducing friction in signup or retention.

Blended CAC can mislead

Jordan calls blended CAC dangerous, and Chen says that as a company scales paid spending, blended CAC drifts toward the paid channel's CAC, so paid CAC and LTV should be measured separately.

LTV must exceed CAC with room to spare

Jordan defines LTV as incremental profit contribution after direct costs, says a CAC above LTV sinks you, and notes the ratio usually degrades with scale, so a thin margin leaves no room for error.

WORDS WORTH SAVING

5 quotes

Businesses don't grow themselves. The entrepreneur has to grow them.

β€” Jeff Jordan

Done right, it is a scientific discipline because it requires you to understand your business and business dynamics at this incredibly micro level.

β€” Jeff Jordan

If your CAC is higher than your LTV, you're sunk because it's costing you more to acquire a user than the value you get out of the user.

β€” Jeff Jordan

You had to manually sell some restaurants, come for the tool, stay for the network. But then once the consumers got enough of a selection and started to use it, it was game over.

β€” Jeff Jordan

It's so much work underneath that makes that happen.

β€” Andrew Chen

Growth as a systematic disciplineLaw of large numbers and growth decayLayering new growth driversCAC, blended CAC and LTVPaid versus organic acquisitionNetwork effects and viralityPlatform risk and trend-driven channels

High quality AI-generated summary created from speaker-labeled transcript.

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