The Twenty Minute VC (20VC): Venture Capital | Startup Funding | The Pitch cover image

20Growth: Top Five Growth Lessons Scaling Stitchfix to IPO, How to Master the Art of Paid Marketing, Why CAC/LTV is a BS Metric & How To Use Payback Period as an Alternative to CAC/LTV with Mike Duboe, Partner @ Greylock

The Twenty Minute VC (20VC): Venture Capital | Startup Funding | The Pitch

ANECDOTE
  • Core Insight: Incrementality testing is crucial for accurate marketing measurement.
  • Relevance: Gen AI/ML (measuring impact), product management (data-driven decisions), startups (growth)
  • Stitch Fix Story: Used TV ads, measured with spike analysis (lift in traffic around ad airtime). Realized this ignored halo effect on other channels.
  • IF struggling to determine TV ad effectiveness THEN Ran an 8-week holdout test: paused national ads, bought local spots in 5 regions, measured overall lift + interaction between channels.
  • RESULT: Gained insights into interplay between TV and Facebook ads + more accurate CPA.
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