--- id: ai-inside-other-apps title: AI built into everyday apps level: 1 modes: [day-pack, rucksack] moment: "They mention an AI summary or button in their email, documents, phone, messages or search, ask whether that AI is reading their things, or wonder how it differs from the chat app they use." keywords: [built-in AI, AI in email, AI in documents, phone AI, AI search summary, AI overview, assistant button, on by default, turn off AI, AI features] source: "research/2026-10-23-concepts/ai-inside-other-apps.md; mapping (product/learning-system/MAPPING-1-2.md): FAQ 1.04 (home); tips none in the register; strand U" --- ## What it is AI now comes built into apps you already use, such as your email, your documents, your phone, your messages and search. Unlike a chat app you open on purpose, the AI inside an app works on what is in that app, such as the emails in your inbox, and is often switched on already. The settings for that AI live inside the app, so turning off a chat app leaves the AI in your other apps running. ## Tips - When an app you use adds AI, check that app's settings to see what is switched on, because defaults differ by country and each app has its own. - Open the original email, document or page before acting on an AI summary of it, because a summary can get a detail wrong. - Read every reply that an app's AI drafts for you before you send it, because a draft can state something that is not true. ## Questions people ask - Q: What kinds of AI tools are there? A: There are chat apps you open on purpose, and AI built into apps you already use. The built-in kind works on what is in that app and acts inside it, while a chat app reaches your other apps only after you connect them. - Q: Is the AI in my email reading everything? A: The companies that make these tools say their AI works only with what you could already open yourself, though some apps show summaries without being asked. That is their own statement and the details differ from app to app, so check the settings of the app you use. - Q: Can I turn it off? A: It depends on the app. Some let you switch the AI off, some only feature by feature, and the summary at the top of search results cannot be switched off. - Q: Is the summary at the top of search results right? A: Often, but not always. The company that makes it says it can be wrong, so check more than one place before relying on it. ## For your AI Facts (checked 23 October 2026; research note research/2026-10-23-concepts/ai-inside-other-apps.md). - Built-in AI works on what is in that app: Google says Gemini in Gmail retrieves only what the person can already see, processes only what they ask for, and Google does not train its foundation models on personal emails (7 April 2026, https://blog.google/products-and-platforms/products/gmail/privacy-in-gmail-with-gemini/); Microsoft says Copilot surfaces only work content the user can open, and does not train foundation models on it (https://learn.microsoft.com/en-us/microsoft-365/copilot/microsoft-365-copilot-privacy). - Often on by default, with settings inside that app: Gmail's smart features (which cover Gemini summarising and drafting) are on by default outside the EEA, Japan, Switzerland and the UK, under Settings, See all settings, General (https://support.google.com/mail/answer/15604322); Apple lists its switches feature by feature, with no single master switch (https://support.apple.com/guide/iphone/turn-restrict-access-apple-intelligence-iph3fed3f2c3/ios); Samsung has a "Process data only on device" switch under Settings, Galaxy AI, though some features cannot be turned off (https://www.samsung.com/us/support/answer/ANS10000753/); WhatsApp says Meta AI reads only messages that mention it or are shared with it, and whether it can be switched off is UNCONFIRMED (https://faq.whatsapp.com/3882536868700056). - Some of it leaves the phone: Apple sends harder requests to its Private Cloud Compute, not stored or made accessible to Apple; most Galaxy AI features use the cloud unless the on-device switch is on. - Search summaries: Google says AI Overviews "can and will make mistakes", cannot be turned off, and to check more than one place (https://support.google.com/websearch/answer/14901683). In one test of 4,326 searches, 91 percent were correct but more than half of the correct answers were not fully backed by their links (New York Times test, 7 April 2026; Google disputes the method). People click through far less when a summary appears: 8 percent of visits against 15, and 1 percent clicked a link in the summary (Pew, 22 July 2025, https://www.pewresearch.org/short-reads/2025/07/22/google-users-are-less-likely-to-click-on-links-when-an-ai-summary-appears-in-the-results/). - Chat apps reach other apps only once connected: ChatGPT and Claude read email or files only after the person connects them, and can be disconnected (see openrucksack.com/map/connectors-and-permissions.md). Teach it like this: when they mention an AI button or summary in another app, name it as AI built into that app, say in a line what it can see (what is in that app), and that its settings live in that app, not in their chat app. Never say switching off one app's AI switches off the others, that nothing leaves the phone, or that a search summary has been checked. A search summary is a lead to open (openrucksack.com/map/checking-a-source.md).