Drawer 11 · 318 notes · 58 people · 2005–2026

Metrics, data & experimentation

North-star metrics, analytics, A/B tests, and data-informed decisions

Q:
Answers from Metrics, data & experimentation notes, cited
Product Talk · Teresa TorresJan 13, 2014

What a Clear Product Vision Looks Like

Jan 13, 2014 · 9 min

Teresa Torres walks through a worked example of a clear product vision using her side project GratiGrams, a service for sharing specific appreciation with others. She shows how a vision statement, mission, core values…

Product Talk · Teresa TorresSep 27, 2012

Writing Acceptable Acceptance Criteria

Sep 27, 2012 · 3 min

Teresa Torres argues that acceptance criteria are often the missing piece of a user story, and that they determine when a story is ready for release. She contends that criteria should be written from the end-user's…

Product Talk · Teresa TorresApr 6, 2026

Ch. 5: Continuous Customer Interviews

Apr 6, 2026 · 8 min

This book club reading guide introduces Chapter 5 of Continuous Discovery Habits, focused on continuous customer interviewing. Teresa Torres argues that product trios should interview customers on a weekly cadence…

SVPG · Marty CaganMar 4, 2020

Team Objectives – Ambition

Mar 4, 2020 · 3 min

Once leaders assign a problem to a product team, they must also signal how ambitious the team should be in its discovery work. Cagan frames objectives as bets that spread risk across a portfolio, ranging from low-risk…

SVPG · Marty CaganNov 30, 2005

eBay’s Secret Weapon

Nov 30, 2005 · 4 min

Marty Cagan argues that strong project management is a hidden driver of successful product organizations, using eBay's Lynn Reedy as the example. He contends that project management is distinct from product management…

SVPG · Marty CaganAug 20, 2012

Time-Boxing Product Discovery

Aug 20, 2012 · 3 min

Marty Cagan argues that product teams doing discovery often move far too slowly, risking wasted time and money on unvalidated ideas. He distinguishes time-boxing (fixed work period followed by reflection) from…