Your Devices

Your Devices

It's not just your browser. Every connected device you own — phone, car, TV, thermostat — is collecting data. These articles cover what each one does and what you can actually do about it.

All The Basics Your Browser Your Devices Tools
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6 min read · June 3, 2026

Your Phone Knows Where You've Been — and So Does the Store

Every device has identifiers that follow it everywhere. Here's what they are, who's reading them, and the one you can actually turn off.

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More in Your Devices
7 min read
Ten Minutes on Your Phone That Actually Matter

Your phone ships configured to share more than you'd choose. Here's what to change, how to reset your app permissions from scratch, and the habit that makes it stick.

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7 min read
They Tracked 80,000 People and Nobody Noticed

Bluetooth passive scanning can log every device in a crowd, map every route taken, and measure every minute spent — with no app, no login, and no opt-in required.

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Free privacy tools — no account, no download Articles explain the threat. ZTDev tools let you act on it. Everything runs in your browser — nothing leaves your machine.
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