What Google Actually Knows About You (And How to See It Yourself)
A friend once applied for a job and got ghosted after what she thought was a great interview. Weeks later, she found out the hiring manager had googled her and found a cluster of political comments she'd forgotten she'd made in 2019 — tied to her real name through an old Google+ account she didn't even remember creating.
That's the thing about Google. It's not an abstract surveillance machine. It's a very specific file on you, built quietly over years, and you can actually open it.
The File Exists. You Can Read It.
Google stores your data across a handful of dashboards that most people have never visited. The two most revealing ones are My Activity and Google Dashboard.
My Activity is the one that tends to make people go quiet. It shows every search you've made, every YouTube video you watched, every Google Maps route you asked for — with timestamps. Not just "you searched things in 2022." The specific query, the exact minute.
Go there now if you haven't. Scroll back a few years. It's a strange experience.
What's Actually In There
Google Dashboard is less dramatic but more comprehensive. It lists every Google product you've used and how many data points are stored in each: Gmail messages, Drive files, Photos, calendar events, contacts, Chrome browsing history.
According to Google's own support documentation, the Dashboard is meant to give you a "bird's-eye view" of your Google data. What it doesn't tell you upfront is that the numbers can be in the tens of thousands for long-term users.
Pay particular attention to Location History under Maps. If you've ever had an Android phone or kept Google Maps running in the background on iPhone, there's likely a map of everywhere you've physically been — not just places you searched for, but places your body actually went.
The Ad Profile Is the Weird One
Go to adssettings.google.com. This is Google's inferred profile of who you are as a consumer.
It will list your assumed age range, gender, interests, income bracket, and more. Some of it is accurate. Some of it is hilariously wrong. But here's the counterintuitive part most articles skip: the wrong guesses aren't reassuring — they're evidence the profiling is happening regardless of accuracy.
Google is building and selling access to a version of you whether or not that version is correct. A company advertising expensive watches might have paid to target your income bracket even if Google got it wrong. You were still sorted. Still targeted.
Download the Whole Thing
If you want the full picture, request your data through Google Takeout. This is where it gets real.
You can select which products to include — Gmail, Drive, Search history, YouTube watch history, location data — and Google will package it into a downloadable archive. For heavy users, this file can easily exceed 50GB.
According to the Electronic Frontier Foundation, exercising data portability rights like this is one of the most concrete things individuals can do to understand their exposure. Most people never do it because they assume it'll be incomprehensible. It's not. The location data in particular comes as a JSON file that third-party tools can render into a visual map of your movements.
Open it. Look at it once. You'll understand the situation better than any article can explain it.
The Stuff That Doesn't Show Up in Dashboards
Here's where it gets murkier. Google also receives data from third-party websites that embed Google Analytics, Google Fonts, or YouTube iframes — even when you're not logged in.
This is called passive data collection, and it doesn't appear cleanly in your My Activity feed. It feeds into a probabilistic profile that's harder to audit. You can't go to a dashboard and see "you visited these 300 sites in March." That data exists in aggregate and is used for targeting, but it's not surfaced to you the same way your explicit searches are.
This is the honest gap in the "check your Google data" advice. What you can see in the dashboards is substantial — but it's not everything.
What You Can Actually Do
If you want to reduce what Google stores going forward, three settings matter most:
- Turn off Web & App Activity at myaccount.google.com/activitycontrols. This stops Google from saving future searches and browsing to your account.
- Turn off Location History in the same menu. Past data stays until you delete it, but new location tracking stops.
- Delete what's already there — My Activity lets you bulk delete by date range or by product. Location History has its own deletion tool inside Google Maps settings.
Changing browsers helps too. Firefox with uBlock Origin blocks many of the third-party Google trackers on other sites. It's not perfect, but it meaningfully reduces the passive data trail.
One Honest Caveat
Deleting your activity from Google's user-facing dashboards does not guarantee it's purged from all of Google's systems. According to Google's privacy policy, some data may be retained for legal, security, or operational reasons even after you delete it from your account.
That's not a conspiracy — it's standard practice for large platforms, and some of it is legally required. But it means "I deleted my history" is not the same as "this data no longer exists somewhere." The dashboards give you real control over a real portion of your data. They don't give you complete erasure.
Understanding that distinction is more useful than pretending the delete button is a clean slate.
Sources:
- Google Account Support
- Electronic Frontier Foundation (EFF) — Privacy
- Google Privacy Policy