Compare ChatGPT, Gemini, Copilot, Claude, Perplexity, Grok, DeepSeek, and Meta AI by strengths, use cases, integrations, and limits. There was a time when chatbots were clunky customer service tools ...

MIT Technology Review’s senior reporter for features and investigations, Eileen Guo, and FT tech correspondent Melissa Heikkilä discuss the privacy implications of our new reliance on chatbots.