Here's Everything Google Knows About You

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If you have location history turned on, Google will track where you go.

If you have location history turned on, Google will track where you go.

Here's where you can find your location history.

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Google will also track your search in a bunch of different categories if you have Search History turned on.

Google will also track your search in a bunch of different categories if you have Search History turned on.

Here's how to see your Search history.

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It was actually pretty interesting to see what ads I've clicked on.

It was actually pretty interesting to see what ads I've clicked on.

Google can serve you interest-based ads because it has a bunch of data about you, including your age, gender, languages you speak, and what it thinks your interests are.

Google can serve you interest-based ads because it has a bunch of data about you, including your age, gender, languages you speak, and what it thinks your interests are.

Here's how you can find your ad preferences.

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Some of my interests were on-point, but others felt pretty random. Dictionaries and encyclopedias?

Some of my interests were on-point, but others felt pretty random. Dictionaries and encyclopedias?

Google also keeps track of what devices you use and when you were last active on them.

Google also keeps track of what devices you use and when you were last active on them.

Here's where you can see the device activity Google has stored about you.

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Wanna know how many emails you've ever sent or contacts you have? Google keeps track of that too.

Wanna know how many emails you've ever sent or contacts you have? Google keeps track of that too.

Here's how to see your Dashboard.

Ditto with your Google Talk contacts and purchases through Google Wallet.

Ditto with your Google Talk contacts and purchases through Google Wallet.
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Google stores what apps use your info.

Google stores what apps use your info.

Here's how you can see that data.