Product Pieces - Invidious

Product Pieces

Senior product, by the piece.

Four plain language field guides to how product actually works, turned into short films. One idea a film, in under a minute. No jargon, no theory for its own sake, no gurus.

A playlist a book: Product Pieces, the whole function in 100 pieces. Product Pieces: AI Solutions, product work when the product thinks. Where Your Product Lives, choosing the surface before you build it. Cold Start by Design, engineering network effects on purpose.

Written from the operator's chair for the people actually making the thing: founders, product managers, product leaders.

Product Pieces is a fractional senior product agency run by Alex Feltwell. The books, the newsletter and the free tools are at productpieces.io

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Synthetic data. | Product Pieces: AI Solutions 55

Product Pieces

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Training-data quality, garbage in. | Product Pieces: AI Solutions 54

Product Pieces

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The AI data pipeline. | Product Pieces: AI Solutions 53

Product Pieces

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Designing for cost and caching. | Product Pieces: AI Solutions 52

Product Pieces

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Model routing and fallbacks. | Product Pieces: AI Solutions 51

Product Pieces

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Guardrails, by design. | Product Pieces: AI Solutions 50

Product Pieces

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Reasoning models. | Product Pieces: AI Solutions 49

Product Pieces

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Multi-agent systems. | Product Pieces: AI Solutions 48

Product Pieces

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Agents. | Product Pieces: AI Solutions 47

Product Pieces

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The Model Context Protocol (MCP). | Product Pieces: AI Solutions 46

Product Pieces

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Tool calling (function calling). | Product Pieces: AI Solutions 45

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RAG vs fine-tuning vs prompting, the decision. | Product Pieces: AI Solutions 44

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Fine-tuning. | Product Pieces: AI Solutions 43

Product Pieces

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Context engineering. | Product Pieces: AI Solutions 42

Product Pieces

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Chunking and retrieval quality. | Product Pieces: AI Solutions 41

Product Pieces

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Vector databases. | Product Pieces: AI Solutions 40

Product Pieces

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Embeddings. | Product Pieces: AI Solutions 39

Product Pieces

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Retrieval-augmented generation (RAG). | Product Pieces: AI Solutions 38

Product Pieces

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Grounding, stop it making things up. | Product Pieces: AI Solutions 37

Product Pieces

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Structured outputs. | Product Pieces: AI Solutions 36

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Few shot, teaching by example. | Product Pieces: AI Solutions 35

Product Pieces

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System prompts and instructions. | Product Pieces: AI Solutions 34

Product Pieces

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Prompt engineering. | Product Pieces: AI Solutions 33

Product Pieces

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Pricing and margin. | Product Pieces: AI Solutions 32

Product Pieces

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The thin-wrapper trap. | Product Pieces: AI Solutions 31

Product Pieces

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The data flywheel, your real moat. | Product Pieces: AI Solutions 30

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Are you data-ready? | Product Pieces: AI Solutions 29

Product Pieces

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Data is the real product. | Product Pieces: AI Solutions 28

Product Pieces

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Model lock-in and portability. | Product Pieces: AI Solutions 27

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Open vs closed models. | Product Pieces: AI Solutions 26

Product Pieces

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Model selection, picking the brain. | Product Pieces: AI Solutions 25

Product Pieces

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Foundation models vs your own model. | Product Pieces: AI Solutions 24

Product Pieces

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Buy, rent or build the model. | Product Pieces: AI Solutions 23

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The cost of being wrong, risk tolerance. | Product Pieces: AI Solutions 22

Product Pieces

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Augment or automate? Copilot vs autopilot. | Product Pieces: AI Solutions 21

Product Pieces

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What AI is still bad at. | Product Pieces: AI Solutions 20

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What AI is genuinely good at. | Product Pieces: AI Solutions 19

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AI vs traditional software, when rules win. | Product Pieces: AI Solutions 18

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Is this an AI problem at all? | Product Pieces: AI Solutions 17

Product Pieces

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The capability, cost and control triangle. | Product Pieces: AI Solutions 16

Product Pieces

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Why models hallucinate. | Product Pieces: AI Solutions 15

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Prompts, programming in plain English. | Product Pieces: AI Solutions 14

Product Pieces

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Parameters, weights and model size. | Product Pieces: AI Solutions 13

Product Pieces

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Transformers and attention, just enough. | Product Pieces: AI Solutions 12

Product Pieces

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The context window. | Product Pieces: AI Solutions 11

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Tokens. | Product Pieces: AI Solutions 10

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Large language models, plainly. | Product Pieces: AI Solutions 09

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Training vs inference. | Product Pieces: AI Solutions 08

Product Pieces

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Model types, the AI zoo. | Product Pieces: AI Solutions 07

Product Pieces

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What a model is (and isn't). | Product Pieces: AI Solutions 06

Product Pieces

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Supervised, unsupervised, reinforcement. | Product Pieces: AI Solutions 05

Product Pieces

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Machine learning, in one page. | Product Pieces: AI Solutions 04

Product Pieces

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Deterministic vs probabilistic. | Product Pieces: AI Solutions 03

Product Pieces

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Generative vs predictive AI. | Product Pieces: AI Solutions 02

Product Pieces

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What an AI product actually is. | Product Pieces: AI Solutions 01

Product Pieces

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The finished picture. | Product Pieces 100

Product Pieces

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Knowing when to kill it. | Product Pieces 99

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Dark patterns and responsible product. | Product Pieces 98

Product Pieces

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Product in the age of AI. | Product Pieces 97

Product Pieces

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Platforms and ecosystems. | Product Pieces 96

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