From summarising documents to researching your next holiday, AI chatbots
such as ChatGPT, Copilot and Gemini are becoming part of everyday life.
But the information you share isn't always as temporary as you might
think.
We explain how different AI chatbots handle your data, including how to limit the information they store and switch off settings that allow your data to be used for AI training
Source: Which? (01 Jul 2026)