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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.

1714 essays
APPLIED AI A Buyer's Guide toContext windowmanagement. A Buyer's Guide to Context windowmanagement helps engineering leaders… 01 Scope 02 Build 03 Launch 04 Iterate
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A Buyer's Guide to Context window management

A Buyer's Guide to Context window management helps engineering leaders connect exclusion decisions, position effects, cost per call, budget allocation, and truncation policy to windows where what you leave out is the design. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Sustainable Cloudfor Energy. Sustainable Cloud helps energyengineering teams connect carbon… SUSTAINABLECLOUD DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Sustainable Cloud for Energy

Sustainable Cloud helps energy engineering teams connect carbon measurement, workload placement, reporting credibility, efficiency work, and cost alignment to claims that will be examined rather than accepted. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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QUALITY ENGINEERING A Buyer's Guide toCanary releases formodel updates. A Buyer's Guide to Canary releases formodel updates helps CTO / Head of AI… 01 Ad hoc 02 Managed 03 Defined 04 Optimized BUYER CANARY
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A Buyer's Guide to Canary releases for model updates

A Buyer's Guide to Canary releases for model updates helps CTO / Head of AI leaders connect traffic cohort, behavioural metrics, baseline comparison, promotion policy, and rollback to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toConsent andpreference data. A Buyer's Guide to Consent andpreference data helps CDO / VP Data… 01 Assess 02 Design 03 Ship 04 Operate
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A Buyer's Guide to Consent and preference data

A Buyer's Guide to Consent and preference data helps CDO / VP Data leaders connect consent model, identity linkage, effective-time history, distribution controls, and audit evidence to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toStreaming versusbatch pipelines. A Buyer's Guide to Streaming versusbatch pipelines helps CDO / VP Data… A BUYER'S/ BATCHPIPELINES A Buyer's Best fit for your caseSimpler to operateLower switching cost batch pipelines Added complexityHeavier toolingSteeper learning curve
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A Buyer's Guide to Streaming versus batch pipelines

A Buyer's Guide to Streaming versus batch pipelines helps CDO / VP Data leaders connect decision latency, event ordering, state management, recovery model, and cost profile to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY ClickstreamAnalytics forTechnology & SaaS. Clickstream Analytics helps SaaS teamsconnect product event design… 01 Discover 02 Prototype 03 Harden 04 Roll out
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Clickstream Analytics for Technology & SaaS

Clickstream Analytics helps SaaS teams connect product event design, account-level rollup, feature adoption measurement, storage cost, and instrumentation ownership to the questions product teams keep asking. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Zero-ETL forTechnology & SaaS. Zero-ETL removes the extract and load,not the transformation. The modelling… ZERO ETL DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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Zero-ETL for Technology & SaaS

Zero-ETL removes the extract and load, not the transformation. The modelling work moves somewhere else, and coupling your warehouse to production schemas has a cost.

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TECHNOLOGY Customer 360for Fintech. Customer 360 helps fintech teams connectcustomer identity, KYC state… 01 Discover 02 Prototype 03 Harden 04 Roll out
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Customer 360 for Fintech

Customer 360 helps fintech teams connect customer identity, KYC state, permissible purpose, match confidence, consent, and the controls that decide what a unified profile may be used for. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Master DataManagement forEnergy. Master Data Management helps energyteams connect asset hierarchy, equipment… PLAN BUILD MEASURE IMPROVE MASTER
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Master Data Management for Energy

Master Data Management helps energy teams connect asset hierarchy, equipment identity, location records, survivorship rules, stewardship, and the field reality behind every register to the decisions that depend on knowing what exists. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Streaming vsBatch for Energy. Ask what decision the data drives andhow fast it must be made. Most energy… STREAMING/ BATCH Streaming Best fit for your caseSimpler to operateLower switching cost Batch Added complexityHeavier toolingSteeper learning curve
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Streaming vs Batch for Energy

Ask what decision the data drives and how fast it must be made. Most energy analytics is batch work wearing streaming ambitions, and streaming costs more than the latency is worth.

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APPLIED AI A Buyer's Guideto Semanticcaching. A Buyer's Guide to Semantic cachinghelps CTO leaders connect similarity… 01 Discover 02 Prototype 03 Harden 04 Roll out
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A Buyer's Guide to Semantic caching

A Buyer's Guide to Semantic caching helps CTO leaders connect similarity, thresholds, scope, invalidation, and observability to safe AI cost reduction. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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PRODUCT ENGINEERING A Buyer's Guide toTechnical duediligence. A Buyer's Guide to Technical duediligence helps CTO / Head of AI leaders… DESIGN SHIP OBSERVE REFINE BUYER
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A Buyer's Guide to Technical due diligence

A Buyer's Guide to Technical due diligence helps CTO / Head of AI leaders connect decision questions, architecture risk, delivery evidence, security and operations, and remediation economics to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toFine-tuning versusprompting. A Buyer's Guide to Fine-tuning versusprompting helps engineering leaders… A BUYER'S/PROMPTING A Buyer's Best fit for your caseSimpler to operateLower switching cost prompting Added complexityHeavier toolingSteeper learning curve
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A Buyer's Guide to Fine-tuning versus prompting

A Buyer's Guide to Fine-tuning versus prompting helps engineering leaders connect iteration speed, change cost, data requirements, model portability, and reversibility to a decision about how often you expect to change your mind. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Master DataManagement forHealthcare. Master Data Management helps healthcareteams connect patient identity, provider… 100% EFFORT MIX Build 32% Integrate 26% Secure 24% Operate 18%
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Master Data Management for Healthcare

Master Data Management helps healthcare teams connect patient identity, provider records, matching thresholds, stewardship, false match risk, and clinical consumers to the decisions that depend on knowing who is who. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY AI Knowledge Management:Institutional MemoryThat Answers Back. AI Knowledge Management helps enterpriseleaders connect content currency… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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AI Knowledge Management: Institutional Memory That Answers Back

AI Knowledge Management helps enterprise leaders connect content currency, contradiction handling, ownership, undocumented knowledge, and retrieval design to institutional memory that answers correctly rather than fluently. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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INSIGHTS Data Fabric forTechnology & SaaS. Data fabric is architecture; data meshis an operating model. In a multi-team… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Data Fabric for Technology & SaaS

Data fabric is architecture; data mesh is an operating model. In a multi-team SaaS org you probably have the domain capacity for mesh and no connective layer to join it up.

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TECHNOLOGY AI PersonalizationEngines: Predicting theNext Best Experience. AI Personalization Engines helpsenterprise leaders connect signal… AIPERSONALIZATION DO Define ownership earlyMeasure before scalingBuild for observability AVOID Unclear accountabilityPremature optimizationBlack-box systems
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AI Personalization Engines: Predicting the Next Best Experience

AI Personalization Engines helps enterprise leaders connect signal quality, feedback loops, exploration, cold start, and measurement to personalization that improves outcomes rather than narrowing them. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY ClickstreamAnalytics forHospitality. Clickstream Analytics helps hospitalityteams connect event design, long… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Clickstream Analytics for Hospitality

Clickstream Analytics helps hospitality teams connect event design, long research journeys, intermediary attribution, session stitching, and storage cost to the booking decisions the data should explain. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI AGENTS AI DemandForecasting:Accuracy Is Not theHard Part. AI Demand Forecasting helps enterpriseleaders connect forecast granularity… PEOPLE PROCESS PLATFORM PRACTICE AI DEMAND
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AI Demand Forecasting: Accuracy Is Not the Hard Part

AI Demand Forecasting helps enterprise leaders connect forecast granularity, decision alignment, error asymmetry, override handling, and consumption design to forecasts that change what the business does. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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DATA ENGINEERING A Buyer's Guide toAPI gateways formachine clients. A Buyer's Guide to API gateways formachine clients helps VP Engineering /… PEOPLE PROCESS PLATFORM PRACTICE BUYER API
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A Buyer's Guide to API gateways for machine clients

A Buyer's Guide to API gateways for machine clients helps VP Engineering / Head of Infrastructure leaders connect machine identity, policy enforcement, rate and budget controls, request observability, and fallback and revocation to reliable production outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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ARTIFICIAL INTELLIGENCE Recommendation SystemArchitecture: Relevanceat Request Time. Recommendation System Architecture helpsenterprise leaders connect candidate… 100% EFFORT MIX Strategy 32% Engineering 26% Governance 24% Enablement 18%
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Recommendation System Architecture: Relevance at Request Time

Recommendation System Architecture helps enterprise leaders connect candidate generation, ranking, feature freshness, latency budgets, and fallback design to relevance delivered inside a request. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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APPLIED AI A Buyer's Guide toFinOps for AIworkloads. A Buyer's Guide to FinOps for AIworkloads helps VP Engineering / Head of… 01 Assess 02 Design 03 Ship 04 Operate
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A Buyer's Guide to FinOps for AI workloads

A Buyer's Guide to FinOps for AI workloads helps VP Engineering / Head of Infrastructure leaders connect cost visibility, unit economics, ownership model, capacity controls, and optimisation cadence to reliable operating outcomes. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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AI GOVERNANCE Data residency andsovereignty UnderAudit. Data residency and sovereignty UnderAudit helps enterprise leaders connect… 100% EFFORT MIX Planning 32% Delivery 26% Testing 24% Support 18%
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Data residency and sovereignty Under Audit

Data residency and sovereignty Under Audit helps enterprise leaders connect independent verification, vendor attestation limits, flow evidence, access logs, and subprocessor proof to residency claims that hold under testing. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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TECHNOLOGY Enterprise AI Agents:From Impressive Demo toBoring Reliability. Enterprise AI Agents helps leadersconnect task scoping, failure handling… MODEL DEPLOY MONITOR ITERATE ENTERPRISE
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Enterprise AI Agents: From Impressive Demo to Boring Reliability

Enterprise AI Agents helps leaders connect task scoping, failure handling, permission boundaries, evaluation, and operational ownership to agents that run unattended without producing surprises. Learn the 2026 operating model, components, pitfalls, signals, and implementation steps.

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