India, Nov. 24 -- Google has quietly expanded how much of your personal data it can use to train its AI models, and yes, that includes your Gmail inbox. Emails, attachments, receipts, bills, private conversations. all of it can help power Google's generative AI features unless you manually opt out.

The change affects features like Smart Compose, predictive writing tools and upcoming AI-generated responses. But what's troubling users is not the technology, it's the default setting. Google has turned this on automatically for most regions, meaning your inbox is feeding AI models unless you tell it otherwise.

Privacy experts say this could expose extremely sensitive information, including medical details, financial data, and confidential w...