Google is launching a beta test of “Personal Intelligence,” a new feature within its Gemini AI and search tools designed to deliver more customized results by accessing users’ personal data. While promising a more helpful AI experience,the rollout-currently opt-in only-has already sparked privacy concerns among experts,who warn of potential data misuse and the challenges of controlling how personal information is combined and utilized across Google’s platforms. Recent investigations also highlight broader issues with AI-powered search, raising questions about the accuracy of information provided to users.
Google is rolling out a beta feature called Personal Intelligence within its Gemini chatbot and web search’s AI Mode, aiming to deliver more tailored responses by leveraging user data from Gmail, Google Photos, search history, and YouTube. The feature is currently disabled by default and is available only to users who opt-in to test how AI can utilize personal information to provide contextually relevant suggestions.
While the integration promises to enhance the utility of AI, it also raises significant privacy concerns, including the potential for uncontrolled data combination – often referred to as “data bleed” – and the risk of sensitive information being misused. Experts recommend cautiously experimenting with the feature and maintaining strict control over the AI’s access to personal data, according to The Washington Post. This development comes as tech companies increasingly explore ways to personalize AI experiences, but also face growing scrutiny over data privacy.
Google maintains that enabling Personal Intelligence will not allow the AI to directly train on the contents of a user’s Gmail inbox or Google Photos library. However, another privacy issue exists: allowing Google to mix information from different areas of a user’s life could lead to awkward or even problematic situations.
“Everyone has personal information that is appropriate in certain conversations, but doesn’t belong in others,” explains Miranda Bogen, director of the AI Governance Lab at the Center for Democracy & Technology. “Think about medical information, emotional support from a friend, and data that goes into a work report.”
Once Gemini incorporates personal context into its chat history, that information could resurface at an inopportune moment. “Now, everything is put into one big pot and moved back and forth across different products,” Bogen said. “It’s increasingly difficult to keep track of what’s happening, let alone draw lines around times when something shouldn’t happen.”
Warning About Sensitive Information Leaks
For example, Bogen suggests that details regarding medical records found in email could be introduced into a chat while drafting a message to a supervisor. Alternatively, the AI might draw upon private work documents when responding to a personal question about retirement planning.
There’s also the possibility of the AI misinterpreting information and making predictions about a user’s needs that are inaccurate.
In a support document published alongside Personal Intelligence, Google acknowledges that Gemini sometimes struggles with nuanced understanding. The company notes that if Gemini detects an email about a job, it might assume the user is a software engineer and base all subsequent responses on that assumption. Or, based on a receipt in an email, Gemini might continue to suggest heavy metal concerts even if the user actually purchased the tickets as a birthday gift for their brother.
Google states that its latest Gemini 3 model has improved contextual understanding, enabling it to better interpret personal information and determine when to retrieve relevant data. The company has also implemented safety measures, designed to prevent Gemini from proactively making assumptions about sensitive data like health information, although it will discuss such data if explicitly requested by the user.
To mitigate these risks, Bogen advises users to carefully consider what information, such as health data, exists within their email and photos and whether they are comfortable with an AI potentially accessing it.
“The entire field is moving so quickly… a choice you think you’re making today could actually have different implications tomorrow,” Bogen said.
These warnings follow an investigation by The Guardian, which found that people are being exposed to risks due to inaccurate and misleading medical information in Google’s AI-powered search summaries. Some of the summaries, appearing at the top of search results, provided medically inaccurate information that could potentially harm users.
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