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Practical guides, tools and checklists for putting AI and custom software to work in your business.

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Three in-depth guides, one for each service.

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Guides, articles and checklists for each part of the work.

AI Integration & Automation

Automate the routine work between your systems, with people kept in the decisions.

All 52 on AI Integration & Automation

Article · 8 min read

Using Claude and ChatGPT for security audits and red teaming: what worksClaude and ChatGPT are useful first-pass reviewers of your own code, configurations and AI features, and they are weak as a final authority. Use them to find common flaws, explain findings, draft threat models and triage scanner output, keep Semgrep or CodeQL running beside them, and have a person confirm every finding. For regulated systems, an AI pass does not replace an independent penetration test.Read

Article · 7 min read

The history of large language models: a dated timeline and what it means for buyersLarge language models grew out of statistical word prediction, gained their modern shape with the transformer in 2017, and reached the public with ChatGPT in November 2022. The history teaches four things to a business buyer: capability per dollar changes fast, model rankings keep reshuffling, training method matters as much as size, and no single vendor should be a permanent dependency. This guide is for leaders at companies of roughly 20 to 200 people.Read

Article · 11 min read

How do LLMs work? A plain-English guide for people who buy and run themA large language model (LLM) reads text as tokens, turns them into numbers, and uses attention to predict the next token, over and over, until a reply is complete. It generates likely text instead of looking facts up, which is why you test it against your own work, ground it in your documents, and keep a person approving consequential actions. This guide is for operations and IT leaders at companies of roughly 20 to 200 people.Read

AI & Cloud Infrastructure

The cloud, data and model foundations an AI workload needs to run in production.

All 19 on AI & Cloud Infrastructure

Article · 10 min read

The encryption techniques that matter, and what the industry uses by defaultThe types of encryption that matter in practice are AES-256-GCM for stored data, TLS 1.3 for traffic, envelope encryption with a cloud key service for data at rest, Argon2id hashing for passwords, and hybrid post-quantum key exchange, which browsers already use. This guide is for operations, IT and finance leaders who need to know the current default for each job and the questions to put to a vendor. Never invent your own cryptography.Read

Article · 9 min read

How to build a system that handles hundreds of millions of data pointsA high volume data pipeline works in stages: a durable ingestion buffer, stream processing, raw data kept cheaply in object storage as the source of truth, and pre-aggregated rollups that answer the questions people actually ask. The design choice that matters most is deciding those questions first, because they set what you aggregate and how long you keep detail. This guide is for operations and IT leaders at companies of roughly 20 to 200 people who collect sensor, image or event data at volume.Read

Article · 8 min read

How Meta handles billions of requests, and what your company should copyMeta (formerly Facebook) serves its social graph through layers: load balancers, a very large cache, and a sharded MySQL tier behind it. A company of 20 to 200 people should copy the order of operations, which is to measure, index, cache, add read replicas, partition, and shard last, because most never need sharding. This guide explains each technique and when it starts paying off.Read

Custom Solutions

When to build, buy or integrate, and how to get internal tools and portals right.

All 18 on Custom Solutions

Article · 8 min read

Rust vs TypeScript: when to use eachTypeScript is the right default for web applications, APIs and business software because of its hiring pool, speed of change and ecosystem. Rust earns its higher cost in CPU-heavy paths, latency-critical services, embedded and edge work, and anywhere memory safety and predictable performance matter. The two are often combined, and this guide is for owners and technical leads at companies of 20 to 200 people deciding what to build in.Read

Article · 8 min read

Sentry vs PostHog: which one does your team need?Sentry is built for developers who find and fix errors and performance problems, and PostHog is built for product teams who need to understand user behavior through analytics, session replay, feature flags and experiments. Each has moved into the other's territory: PostHog now offers error tracking and Sentry offers session replay. This guide is for technical leads and product owners choosing monitoring for a web application, and for small teams deciding whether one tool is enough.Read

Article · 8 min read

SQL vs NoSQL: which database should a business application start with?Most business applications should start on a relational (SQL) database, usually PostgreSQL or MySQL, and add a NoSQL system only for a specific workload that needs it. Two old beliefs no longer hold: NoSQL products now offer transactions, and relational databases scale much further than their reputation suggests. This guide is for owners and operations leaders at companies of roughly 20 to 200 people who are approving a database choice.Read

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Tools and checklists

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AI and software terms, explained

Plain definitions for the words that come up in every AI project.

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