Guide · Tools
How to Choose an AI Transcription Tool for Meetings
Accuracy is only one criterion. Check participant consent, languages, recording access, retention, speaker labels, export, and your ability to correct names and decisions.
Author
Max
Author and editor at RozumTech, covering practical AI, digital tools, and online security with a focus on clear explanations and verified sources.
Review · Tools
n8n vs. Make vs. Zapier: How to Choose an Automation Platform
All three platforms connect apps, but they differ in data control, complexity, branching, debugging, and the amount of code or maintenance they expect.
Review · Tools
Obsidian vs. Notion: Which System Fits Your Notes and Knowledge?
Obsidian centers on local Markdown files, while Notion emphasizes a shared cloud workspace. Compare control, collaboration, structure, export, and privacy.
Guide · Technology
How to Spot a Deepfake: Check the Video, Voice, and File Origin
Odd eyes or lip movements are no longer a reliable test. Check the original source, context, independent confirmation, and available Content Credentials.
Guide · Technology
The 3-2-1 Backup Rule: A Practical Setup for Home and Work
Synchronizing one folder to the cloud is not always a recoverable backup. Build three copies on two storage types, with one copy kept independent.
Guide · Technology
How to Set Up a Password Manager Without Locking Yourself Out
Choosing an app is only the beginning. You also need a strong master passphrase, MFA, an emergency kit, and a recovery plan for a lost device.
Guide · Artificial Intelligence
Local AI Models: Privacy, Hardware, and the Real Tradeoffs
Running a model on your own computer can give you more control over data, but it does not make the entire workflow automatically private, secure, or free.
Analysis · Artificial Intelligence
What Is RAG? How AI Answers Questions From Your Documents
RAG retrieves relevant passages from selected sources and places them in the model’s context. Understand indexing, retrieval, citations, and the mistakes that still happen.
Analysis · Artificial Intelligence
What Are AI Agents, and When Are They Actually Useful?
An AI agent does more than reply in a chat: it plans steps, selects tools, and takes actions. Learn where agents help, where they fail, and how to keep control.
Guides
How to Work With PDF Files Using AI Without Missing Important Details
A safer workflow for contracts, reports, and manuals: prepare the file, ask precise questions, verify quotations, and protect confidential information.
Guides
How to Write AI Prompts: A Simple Formula, Examples, and Common Mistakes
An effective prompt is not a magic phrase. Learn to specify the goal, context, constraints, output format, and checks that make an answer useful.
Review · Tools
NotebookLM vs. Perplexity: Which Is Better for Working With Sources?
One tool focuses on your own document set; the other searches the web. See how that difference affects research, citations, and source verification.