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Field notes from production AI.

Long-form essays from the engineers shipping AI inside payers, hospitals, energy operators and proptech platforms. Written for technology leaders who care more about what runs in production than what trended last week.

All essays

Field notes, sorted by recency.

1867 essays
APPLIED AI Chunking strategyUnder Audit. Chunking strategy Under Audit helps AIleaders connect content segmentation… CHUNKINGSTRATEGY DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Chunking strategy Under Audit

Chunking strategy Under Audit helps AI leaders connect content segmentation, boundary, overlap, content-type, and chunking to auditable retrieval quality. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toHuman-in-the-loopapproval gates. A Buyer's Guide to Human-in-the-loopapproval gates helps engineering leaders… DESIGN SHIP OBSERVE REFINE BUYER
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A Buyer's Guide to Human-in-the-loop approval gates

A Buyer's Guide to Human-in-the-loop approval gates helps engineering leaders connect rejection rate, reviewer basis, gate placement, throughput, and decay to gates that catch things rather than rubber-stamp them. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING A Buyer's Guide toChaos testing AIdependencies. A Buyer's Guide to Chaos testing AIdependencies helps VP Engineering / Head… BUYERCHAOS DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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A Buyer's Guide to Chaos testing AI dependencies

A Buyer's Guide to Chaos testing AI dependencies helps VP Engineering / Head of Infrastructure leaders connect dependency map, failure hypotheses, degradation injection, safety boundaries, and recovery evidence to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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INSIGHTS AI Agents forInfrastructure forTechnology & SaaS. Infrastructure agents are moving fromsuggesting changes to making them. In a… 01 Scope 02 Build 03 Launch 04 Iterate
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AI Agents for Infrastructure for Technology & SaaS

Infrastructure agents are moving from suggesting changes to making them. In a multi-team SaaS org, what makes them safe is scope, permissions, and a blast-radius budget, not a better model.

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PLATFORM ENGINEERING A Buyer's Guide toGolden paths for AIteams. A Buyer's Guide to Golden paths for AIteams helps VP Engineering / Head of… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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A Buyer's Guide to Golden paths for AI teams

A Buyer's Guide to Golden paths for AI teams helps VP Engineering / Head of Infrastructure leaders connect reference architecture, self-service tooling, policy guardrails, exception path, and feedback and evolution to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Cloud Waste forRetail. Cloud Waste helps retail engineeringteams connect idle resource detection… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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Cloud Waste for Retail

Cloud Waste helps retail engineering teams connect idle resource detection, post-peak cleanup, deletion authority, freeze windows, and team accountability to capacity that outlived the season. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE A Buyer's Guide toAI governanceoperating models. A Buyer's Guide to AI governanceoperating models helps enterprise… BUYER AI DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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A Buyer's Guide to AI governance operating models

A Buyer's Guide to AI governance operating models helps enterprise leaders connect decision rights, review placement, throughput, escalation, and delivery-path integration to governance that people route through rather than around. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PRODUCT ENGINEERING A Buyer's Guideto AI featurescoping. A Buyer's Guide to AI feature scopinghelps CTO / Head of AI leaders connect… 01 Scope 02 Build 03 Launch 04 Iterate
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A Buyer's Guide to AI feature scoping

A Buyer's Guide to AI feature scoping helps CTO / Head of AI leaders connect user decision, input boundary, model responsibility, human control, and evaluation criteria to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY KubernetesMulti-Tenancy forFintech. In fintech, the isolation model has tosatisfy both blast radius and auditors… 01 Pilot 02 Team 03 Org 04 Scale KUBERNETES MULTI
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Kubernetes Multi-Tenancy for Fintech

In fintech, the isolation model has to satisfy both blast radius and auditors. Namespaces, vclusters, or separate clusters is a decision you must be able to justify in writing.

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QUALITY ENGINEERING A Buyer's Guide toLoad testing agenticsystems. A Buyer's Guide to Load testing agenticsystems helps VP Engineering / Head of… DISCOVERY DESIGN DELIVERY SCALE
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A Buyer's Guide to Load testing agentic systems

A Buyer's Guide to Load testing agentic systems helps VP Engineering / Head of Infrastructure leaders connect task model, agent step distribution, tool dependencies, concurrency and queues, and cost and failure metrics to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING Bias and fairnesstesting UnderAudit. Bias and fairness testing Under Audithelps AI leaders connect evidence… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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Bias and fairness testing Under Audit

Bias and fairness testing Under Audit helps AI leaders connect evidence, controls, ownership, failure handling, and production decisions to measurable risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI AGENTS AI Browser Agents:When Your Users Senda Robot Instead. AI Browser Agents helps enterpriseleaders connect agent traffic… FOUNDATIONS IMPLEMENTATION OPTIMIZATION IMPACT
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AI Browser Agents: When Your Users Send a Robot Instead

AI Browser Agents helps enterprise leaders connect agent traffic identification, bot policy, form and checkout behaviour, rate handling, and analytics distortion to visitors that are software acting for people. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toPipelineobservability. A Buyer's Guide to Pipelineobservability helps CDO / VP Data… PLAN BUILD MEASURE IMPROVE BUYER
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A Buyer's Guide to Pipeline observability

A Buyer's Guide to Pipeline observability helps CDO / VP Data leaders connect freshness and volume, data quality signals, dependency graph, business impact mapping, and incident workflow to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE What AI governanceoperating modelsActually Costs. What AI governance operating modelsActually Costs helps AI leaders connect… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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What AI governance operating models Actually Costs

What AI governance operating models Actually Costs helps AI leaders connect controls, evidence, ownership, failure handling, and production decisions to risk. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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INSIGHTS Cloud Waste forTechnology & SaaS. Cloud Waste helps SaaS engineering teamsconnect idle resource detection… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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Cloud Waste for Technology & SaaS

Cloud Waste helps SaaS engineering teams connect idle resource detection, attribution, lifecycle defaults, deletion authority, and team accountability to the third of the bill that does nothing. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Terraform Modulesfor Energy. In energy, a Terraform module is whereyour controls actually live. Narrow the… 01 Pilot 02 Team 03 Org 04 Scale TERRAFORM MODULES
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Terraform Modules for Energy

In energy, a Terraform module is where your controls actually live. Narrow the interface, put compliance in the defaults, and version it so evidence stays consistent.

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APPLIED AI A Buyer's Guide toAI featurediscoverability. A Buyer's Guide to AI featurediscoverability helps product and… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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A Buyer's Guide to AI feature discoverability

A Buyer's Guide to AI feature discoverability helps product and engineering leaders connect capability affordances, entry points, expectation setting, failure visibility, and progressive disclosure to features users can find and learn. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI What Semanticcaching ActuallyCosts. What Semantic caching Actually Costshelps leaders see the engineering… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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What Semantic caching Actually Costs

What Semantic caching Actually Costs helps leaders see the engineering, control, change, and risk costs behind the first implementation at enterprise scale. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Data Quality SLAsfor Healthcare. Data Quality SLAs help healthcare teamsconnect freshness, completeness… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 DATA QUALITY
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Data Quality SLAs for Healthcare

Data Quality SLAs help healthcare teams connect freshness, completeness, accuracy, ownership, breach response, and clinical consumer expectations to the decisions the data actually supports. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Feature stores. A Buyer's Guide to Feature stores helpsCTO / Head of AI leaders connect feature… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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A Buyer's Guide to Feature stores

A Buyer's Guide to Feature stores helps CTO / Head of AI leaders connect feature definitions, offline computation, online serving, point-in-time retrieval, and ownership and monitoring to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI WhatRetrieval-augmentedgeneration ActuallyCosts. What Retrieval-augmented generationActually Costs explains the engineering… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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What Retrieval-augmented generation Actually Costs

What Retrieval-augmented generation Actually Costs explains the engineering, control, change, and risk costs behind the first implementation in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guideto Data contracts. A Buyer's Guide to Data contracts helpsCDO / VP Data leaders connect contract… ARCHITECTURE SECURITY RELIABILITY COST BUYER DATA
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A Buyer's Guide to Data contracts

A Buyer's Guide to Data contracts helps CDO / VP Data leaders connect contract scope, schema and semantics, quality expectations, change policy, and enforcement to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toAgent refusalbehaviour. A Buyer's Guide to Agent refusalbehaviour helps engineering leaders… BUYERAGENT DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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A Buyer's Guide to Agent refusal behaviour

A Buyer's Guide to Agent refusal behaviour helps engineering leaders connect over-refusal cost, refusal quality, measurement in both directions, alternative offering, and domain tuning to refusals that do not block legitimate work. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Why AI Projects Fail:Patterns From the 40%That Get Cancelled. Why AI Projects Fail helps enterpriseleaders connect data readiness, unclear… 01 Scope 02 Build 03 Launch 04 Iterate
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Why AI Projects Fail: Patterns From the 40% That Get Cancelled

Why AI Projects Fail helps enterprise leaders connect data readiness, unclear ownership, verification burden, absent baselines, and sponsor turnover to the cancellation patterns that repeat across programmes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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