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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 What Agentpermission scopingActually Costs. What Agent permission scoping ActuallyCosts shows leaders the engineering… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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What Agent permission scoping Actually Costs

What Agent permission scoping Actually Costs shows leaders the engineering, control, change, and risk costs hidden beyond the headline price in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toSpeech interfaces inproduction. A Buyer's Guide to Speech interfaces inproduction helps engineering leaders… 01 Level 1 02 Level 2 03 Level 3 04 Level 4 BUYER SPEECH
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A Buyer's Guide to Speech interfaces in production

A Buyer's Guide to Speech interfaces in production helps engineering leaders connect latency, turn-taking, recognition, recovery, and controls to voice AI. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PRODUCT ENGINEERING Legacy systemintegration UnderAudit. Legacy system integration Under Audithelps CTO / VP Engineering leaders test… PLAN BUILD MEASURE IMPROVE LEGACY
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Legacy system integration Under Audit

Legacy system integration Under Audit helps CTO / VP Engineering leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE A Buyer's Guide toPII redactionpipelines. A Buyer's Guide to PII redactionpipelines helps enterprise leaders… DESIGN SHIP OBSERVE REFINE BUYER
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A Buyer's Guide to PII redaction pipelines

A Buyer's Guide to PII redaction pipelines helps enterprise leaders connect per-entity recall, utility loss, re-identification through context, placement in the flow, and reversibility to redaction that holds where it matters. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI Agent toolcalling UnderAudit. Agent tool calling Under Audit helps AIleaders connect tool registry… ARCHITECTURE SECURITY RELIABILITY COST AGENT TOOL
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Agent tool calling Under Audit

Agent tool calling Under Audit helps AI leaders connect tool registry, selection, argument, authorisation gate, and execution to controlled tool execution. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PRODUCT ENGINEERING A Buyer's Guide toStrangler-figmigration. A Buyer's Guide to Strangler-figmigration helps CTO / Head of AI leaders… 01 Pilot 02 Team 03 Org 04 Scale BUYER STRANGLER
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A Buyer's Guide to Strangler-fig migration

A Buyer's Guide to Strangler-fig migration helps CTO / Head of AI leaders connect capability boundary, traffic interception, data authority, dual-run validation, and decommission criteria to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE A Buyer's Guide toAcceptable usepolicy design. A Buyer's Guide to Acceptable use policydesign helps enterprise leaders connect… ASSESS ADOPT OPTIMIZE GOVERN
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A Buyer's Guide to Acceptable use policy design

A Buyer's Guide to Acceptable use policy design helps enterprise leaders connect followable rules, named data categories, sanctioned alternatives, enforcement placement, and review cadence to a policy people can actually comply with. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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CLOUD & DEVOPS Disaster recoveryfor model servicesUnder Audit. Disaster recovery for model servicesUnder Audit helps platform leaders… 01 Scope 02 Build 03 Launch 04 Iterate
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Disaster recovery for model services Under Audit

Disaster recovery for model services Under Audit helps platform leaders connect RTO, RPO, failover, artefacts, and tests to defensible model recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE IP provenance forAI code UnderAudit. A Buyer's Guide to IP provenance for AIcode Under Audit helps CTO / General… ASSESS ADOPT OPTIMIZE GOVERN
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IP provenance for AI code Under Audit

A Buyer's Guide to IP provenance for AI code Under Audit helps CTO / General Counsel evaluate code provenance, licence review, generation records, human review, release evidence. Learn the controls, buying criteria, implementation approach, pitfalls, and production signals.

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INSIGHTS Kubernetes Operatorsfor Technology &SaaS. Operators are the right abstraction whena resource has real lifecycle logic that… 01 Ad hoc 02 Managed 03 Defined 04 Optimized KUBERNETES OPERATORS
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Kubernetes Operators for Technology & SaaS

Operators are the right abstraction when a resource has real lifecycle logic that many teams need. Most of the time a Helm chart is enough, and writing one anyway costs you a maintainer.

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DATA ENGINEERING Data quality SLAsUnder Audit. Data quality SLAs Under Audit helps dataleaders connect metrics, thresholds… MODEL DEPLOY MONITOR ITERATE DATA
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Data quality SLAs Under Audit

Data quality SLAs Under Audit helps data leaders connect metrics, thresholds, owners, incidents, and evidence to defensible data service levels in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Service Mesh in 2026for Technology &SaaS. Service Mesh helps SaaS engineeringteams connect mutual authentication… STRATEGY DELIVERY GOVERNANCE SCALE SERVICEMESH
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Service Mesh in 2026 for Technology & SaaS

Service Mesh helps SaaS engineering teams connect mutual authentication, traffic policy, observability, operational cost, and the problem being solved to a decision that used to be harder than it is now. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Shadow AI: TheDeployment YouDidn't Approve. Shadow AI helps enterprise leadersconnect unsanctioned tool use, data… STRATEGY DELIVERY GOVERNANCE SCALE SHADOW AI
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Shadow AI: The Deployment You Didn't Approve

Shadow AI helps enterprise leaders connect unsanctioned tool use, data exposure, discovery methods, sanctioned alternatives, and policy realism to the AI already running in the organisation. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Data Productsfor Retail. A dataset becomes a data product when ithas an owner, an SLA, and someone who… PLAN BUILD MEASURE IMPROVE DATA
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Data Products for Retail

A dataset becomes a data product when it has an owner, an SLA, and someone who would complain if it broke. Without those three, you have a table with a nice name.

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TECHNOLOGY AI Data Catalogsfor Technology &SaaS. AI Data Catalogs help SaaS data teamsconnect automated harvesting, generated… 01 Scope 02 Build 03 Launch 04 Iterate
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AI Data Catalogs for Technology & SaaS

AI Data Catalogs help SaaS data teams connect automated harvesting, generated descriptions, ownership surfacing, duplicate detection, and usage signals to the question analysts across many teams actually ask. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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CLOUD & DEVOPS Data cataloguesUnder Audit. Data catalogues Under Audit helps dataleaders connect owners, definitions… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Data catalogues Under Audit

Data catalogues Under Audit helps data leaders connect owners, definitions, freshness, usage, and evidence to defensible metadata governance in production. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Enterprise AI Search:From Ten Blue Links toOne Grounded Answer. Enterprise AI Search helps leadersconnect retrieval quality, permission… 01 Discover 02 Prototype 03 Harden 04 Roll out
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Enterprise AI Search: From Ten Blue Links to One Grounded Answer

Enterprise AI Search helps leaders connect retrieval quality, permission enforcement, source attribution, stale content, and answer confidence to a system that answers without leaking or inventing. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING Schema evolutionUnder Audit. Schema evolution Under Audit helps CDO /VP Data leaders test controls, evidence… ARCHITECTURE SECURITY RELIABILITY COST SCHEMAEVOLUTION
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Schema evolution Under Audit

Schema evolution Under Audit helps CDO / VP Data leaders test controls, evidence, ownership, failure handling, and recovery. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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INSIGHTS Data Fabric forEnergy. Data fabric is an architecture; datamesh is an operating model. You can buy… 01 Pilot 02 Team 03 Org 04 Scale DATA FABRIC
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Data Fabric for Energy

Data fabric is an architecture; data mesh is an operating model. You can buy one and only decide the other. Most energy orgs need the fabric and cannot yet staff the mesh.

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DATA ENGINEERING A Buyer's Guideto Datacatalogues. A Buyer's Guide to Data catalogues helpsCDO / VP Data leaders connect asset… STRATEGY DELIVERY GOVERNANCE SCALE BUYER DATA
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A Buyer's Guide to Data catalogues

A Buyer's Guide to Data catalogues helps CDO / VP Data leaders connect asset discovery, business context, ownership, trust signals, and usage workflow to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Schema Evolutionfor Fintech. Schema Evolution helps fintech datateams connect additive change… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Schema Evolution for Fintech

Schema Evolution helps fintech data teams connect additive change, versioning, deprecation windows, restatement of history, contract testing, and regulated consumers to the systems a change can break. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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ARTIFICIAL INTELLIGENCE AIOps forEnergy. AIOps helps energy engineering teamsconnect alarm correlation, noise… PLAN BUILD MEASURE IMPROVE AIOPS
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AIOps for Energy

AIOps helps energy engineering teams connect alarm correlation, noise reduction, asset and IT signal separation, the OT boundary, and honest expectations to the operational load teams carry daily. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE PII redactionpipelines UnderAudit. A Buyer's Guide to PII redactionpipelines Under Audit helps CISO / Data… DESIGN SHIP OBSERVE REFINE PII
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PII redaction pipelines Under Audit

A Buyer's Guide to PII redaction pipelines Under Audit helps CISO / Data Protection Lead evaluate data discovery, detection accuracy, masking policy, audit logs, exception handling. Learn the controls, buying criteria, implementation approach, pitfalls, and production signals.

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TECHNOLOGY Spot InstanceStrategy forTechnology & SaaS. Spot Instance Strategy helps SaaSengineering teams connect workload… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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Spot Instance Strategy for Technology & SaaS

Spot Instance Strategy helps SaaS engineering teams connect workload interruption tolerance, diversification, graceful handling, capacity fallback, and savings expectations to the compute that can actually run on spot. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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