Guides
15 guides and 5 series
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Customer interviews
How to interview customers before you build: a field guide, templates, where to find people to talk to, and how to get from what they say to what they do.
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Value proposition and pricing
How to write a value proposition, test it with customers before you build, find out what they really want, and price it.
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MVP and experiments
Which minimum viable product to build at each stage, real MVPs from a paper prototype to the first iPhone, and how to run experiments with customers.
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Canvases and templates
The Business Model Canvas, the Lean Canvas and the Innovation Canvas, how to choose and use them, with free templates in PowerPoint and Google Slides.
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From code to product
Product management from the developer’s side: making the move, building a product vision, product decisions, agile in practice, apps and games.
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The intrapreneur
Intrapreneurs build new ventures inside a company: their rules, what stands in their way, the sponsors who back them and the leaders who let them work.
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Lean startup in large companies
Lean startup inside large companies, from GE, Toyota and Intuit to Bayer and Nissan, and what it takes to make it work.
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Lean startup: where to start
What lean startup is, the book that named it, lessons from people who practise it, what to read next and where the method reaches its limits.
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Measuring and funding innovation
How to decide on and fund innovation projects when ROI falls short: options, portfolios, readiness, AI cases and the metrics that show impact.
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Failure, and what comes next
Why failing is part of building something new, how to recover, and what failed startups and companies from Yahoo to WeWork can teach.
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Customer psychology
Why customers do not decide the way we expect: biases, choices, habits and emotions, and what they mean for products and pages.
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UX and design thinking
Putting users at the centre: usability findings and small UX details that change results, then design thinking, design sprints and AI in the process.
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Growth and loyalty
When to focus on growth, growth hacking as a method, lean marketing, and how to turn customers into loyal ones who bring others.
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Pitching and presenting
How to start a pitch, tell the story, fill in an elevator pitch, speak in public, and what Dropbox said in its first Y Combinator application.
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Innovation stories
Stories behind innovation: the ice trade, Steve Jobs, Apple, Windows 95 and the Segway, then China, the 1999 internet boom and the book market.
Series
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Hidden truths of corporate innovation
Twelve posts first published on LinkedIn between May and July 2025, each on a truth about corporate innovation that companies prefer to ignore.
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Lean Startup Day 2023
Les conférences du Lean Startup Day 2023 : finance de l’innovation, de CTO à conférencier, ROI de l’innovation, Blue Ocean Strategy, pitch, équipes diversifiées, options réelles, et les lectures conseillées par les intervenants. Notes publiées en juin et juillet 2023.
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Oser, puis doser
Des intrapreneurs racontent comment ils ont lancé une activité nouvelle dans leur entreprise ou leur administration, de Bouygues Immobilier à Pôle emploi. Épisodes publiés de mars à juillet 2021.
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Digital marketing lectures
Notes written for digital marketing lectures, first for master’s students at Paris Nanterre University, then for the European Business School, from November 2011 to November 2012.
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Confucius on Twitter, 2009 to 2012
A small experiment on Twitter, followed from July 2009 to September 2012: an account that tweets a Confucius quote twice a day, and what makes its follower count grow.