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How to see everything Twitter knows about you and download your tweet history

Key Points
  • You can download an entire archive of every tweet you've ever posted.
  • You can also see which Twitter advertisers and apps have access to your data
  • Twitter also shows the devices you're using, and more.
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How to see everything Twitter knows about you and download your Tweet history

If you use Twitter, the company knows a lot about you.

It knows where you've been, the advertisers you're interested in and more. We're going to show you how to find out what it knows, download that information.

It's important to understand what social media companies know about you, particularly in the wake of the Cambridge Analytica and Facebook data leak, where political data research firm Cambridge Analytica obtained information on more than 50 million Facebook users without their knowledge or Facebook's authorization.

After some digging, I discovered that Twitter knows:

  • What devices I use Twitter on
  • When and where I was when I tweeted
  • The advertising topics I'm interested in
  • Hundreds of applications I've downloaded on my smartphone
  • Every tweet I've ever posted
Finding everything Twitter knows about you is easy. Just do this:
CNBC Tech: Twitter History
  • Open your profile from a web browser.
  • Click your picture in the top-right corner next to the Tweet button.
  • Select "Settings and Privacy."
  • Choose "Your Twitter data" from the left menu.
  • Dig through this information.
Here's what you'll see:
CNBC Tech: Twitter History 2

This shows when I created my account, down to the exact minute. My gender, my age, the languages I speak (I only speak English, however) and my profile location.

It also shows where I'm logged in:
CNBC Tech: Twitter History 3
Places I've been recently:
CNBC Tech: Twitter History 4
Topics and people I'm interested in:
CNBC Tech: Twitter History 5
Interests that Twitter's partners have access to:
CNBC Tech: Twitter History 6

This is interesting because I just bought a Jeep Wrangler but had no idea that Twitter knew I was searching for cars. It also seems to have access to some sort of shopping list data, though I'm not sure where it's from. Twitter says this is gathered from "shopping decisions, lifestyle, and other online and offline behaviors."

Hundreds of applications that have access to my Twitter data:
CNBC Tech: Twitter History 7

Here's what that means: "When you connect a third-party application to your Twitter account, you are granting that application access to use your account. Depending on its permissions, an authorized application may be able to use your account in various ways, including reading your Tweets, seeing who you follow, updating your profile, posting Tweets on your behalf, accessing your Direct Messages, or seeing your email address."

There are also contacts uploaded from my phone, which I never knew I did:
CNBC Tech: Twitter History 8

(The same thing happened to me with Facebook, by the way.)

Download a copy of your Tweets and data:
CNBC Tech: Twitter History 9

At the bottom of the page, select "Request your data." It takes a couple of hours and may end up in your Spam folder. For me, I found this was most valuable for seeing every Tweet I'd ever posted, all the way back to the day I joined in 2007. Look at them all:

CNBC Tech: Twitter History 10
Want to dig deeper?