Build
Product

Build

Tony Fadell
Read 11 March 2023

Review

I read this expecting a Nest post-mortem and got something more useful: a book about the unglamorous middle of building things. Fadell is strongest on the parts most product books skip, like why a first version has to be opinionated to the point of discomfort, and why the second product is harder than the first.

The memoir chapters are the weakest part. There is a stretch on Apple politics that reads like score-settling, and it doesn't transfer to anyone who wasn't in that room.

What stuck was his insistence that the story you tell about a product isn't marketing wrapped around the thing. It is the thing. If you can't explain why it should exist before you explain what it does, you're not ready to build it. That reframed how I brief teams on positioning.

Worth reading if you work on hardware, or on anything with a long feedback loop where you can't ship your way out of a bad premise. Skip the middle third if you're short on time.

Key Takeaways

The parts worth keeping:

Why before what

Painkillers beat vitamins

Fadell splits products into two kinds, and the distinction decides how hard the sell will be.

TypeWhat it doesWhat it costs you
PainkillerRemoves a problem the customer already feels and can nameLess explaining, faster adoption, clearer pricing
VitaminImproves something the customer wasn't complaining aboutYou fund the education, and the habit forms slowly if at all

The first version has to have a point of view

Teams and the people problem