Clear, independent explainers on artificial intelligence
Mark Halden is the editor of PB Tech Journal. He writes plain-English explainers and practical guides on artificial intelligence, with a focus on how everyday users and small businesses can use AI tools effectively, safely and responsibly.
Generative AI writes, draws and talks, but it does not think the way people do. Here is what the technology actually is, how it learned to create, and where its limits are.
Tokens, transformers, training and fine-tuning: a clear walk-through of what happens inside the chatbots millions of people now use every day.
Fake citations, invented statistics and confident nonsense are a built-in risk of language models. Learn why they happen and a simple routine for catching them before they cause harm.
You do not need secret formulas to get better results from AI. These twelve practical prompting habits, with before-and-after examples, cover most of what matters.
An AI agent does not just answer questions; it plans, uses tools and completes multi-step tasks. Here is how agents work, what they can do today and the risks of handing software…
AI can save a small team hours every week, but subscriptions and hype pile up fast. A practical framework for choosing where AI genuinely pays off and where it does not.
Your prompts may be stored, reviewed or used to train future models. Here is what typically happens to chatbot data and the practical steps that keep personal and business information safer.
Open-weight models give you control and privacy; closed models offer convenience and top-tier performance. A clear comparison for businesses, developers and curious users.
AI is changing work task by task rather than job by job. A balanced look at which roles are most exposed, what history suggests and how to stay valuable as tools improve.
Synthetic media is getting harder to spot by eye. These practical checks for images, video, audio and writing, plus the tools and habits that matter more than any single clue.
