What not to paste into AI tools, and the settings that keep your data private.

The best free resources

• AI Best Practices for Small Businesses: How to Use Artificial Intelligence Responsibly
  Plain checklist: which data stays out of AI, approved tools, business plans, staff training.
  National Cybersecurity Alliance · Aug 2026

• Be Careful What You Tell Your AI Chatbot
  Stanford found all six big chatbots train on your chats by default; opt out.
  Nikki Goth Itoi, on Jennifer King's study, Stanford HAI · Oct 2025

• Gemini Apps Privacy Hub
  Shows exactly what Gemini keeps, who reviews chats, and how to switch training off.
  Google · updated Oct 2026

• Is my data used for model training?
  Explains when Claude uses your chats for training and where the privacy switch sits.
  Anthropic · updated Mar 2026

• Protecting Personal Information: A Guide for Business
  The FTC's five basics: know what data you hold, keep less, lock, delete, plan.
  FTC · Oct 2016

• AI Tips, Use Cases and Limitations
  Simple three-level data rule: sensitive never, internal with training off, public freely.
  Mat Tse, SCORE · updated Feb 2026

Curated by effectiveAI. Every link checked November 2026. Know a better free resource? Tell us.