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Plain-language notes on data analysis and how a report is read. These articles explain the ideas. They are not legal, tax, or financial advice.

• From spreadsheets and databases to AI: what changed and what did not
• AI is a tool, not a replacement for people
• The drawbacks of AI, and the data centres behind it
• Trends over time and finding the best value for the money
• How to read a due-diligence report