Every time you type a prompt into ChatGPT, search with Gemini, or share a post on Instagram, big tech companies harvest your data to train their artificial intelligence models. Major platforms like LinkedIn and Gemini turn training settings on by default, while OpenAI and Meta quietly use public posts, photos, and chat logs unless you explicitly object.
As NotebookCheck highlights, taking back control of your privacy takes about fifteen minutes, but you need to know where to look. Here is how to disable data harvesting across the biggest platforms on the web.
Turning off data harvesting in ChatGPT and Gemini
OpenAI makes toggling off training relatively straightforward in ChatGPT. Head into your account settings, open the Data Controls tab, and switch off “Improve the model for everyone.” You can also request a permanent opt-out through OpenAI’s privacy portal. Keep in mind that if you rate a response with a thumbs up or down, that specific conversation bypasses your privacy preferences. For extra sensitive questions, stick to temporary chats.
Google bundles its AI controls under “Keep Activity” on the Gemini web interface and app. Opening your activity settings lets you turn off future data collection or wipe your chat history entirely. However, Google keeps unlinked conversation logs for up to 72 hours for safety reviews. Plus, any chats previously analyzed by human reviewers remain stored for up to three years.
Navigating privacy forms on Meta and LinkedIn
Meta skips simple toggles entirely, requiring users to fill out formal objection forms hidden inside its Privacy Center. Submitting the form stops Meta from using public Facebook and Instagram posts, photo captions, and Meta AI interactions for future model training. A separate form exists for WhatsApp, though Meta states it currently refrains from training on WhatsApp AI chats. However, if someone else tags you in a public photo, Meta can still analyze that image.
LinkedIn quietly enabled EU data training for generative AI models under its “Data for Generative AI Improvement” privacy setting. Switching that toggle off under Data Privacy stops future harvesting, though it won’t remove data from models already trained. Private messages remain excluded across LinkedIn, but taking a few minutes to check your account settings ensures your future posts stay private.
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