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Saidul

@saidul_dev

Mar 2 • 11 tweets • 2 min read • Read on X

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🚨 Stanford just quietly dropped a bombshell on the AI industry.

They combed through 28 privacy policy documents across OpenAI, Google, Meta, Anthropic, Microsoft, and Amazon. What they found should change how you use these tools forever.

Here's what they found:👇

1/ Your conversations are training data by default

Every prompt, file, and personal detail you share feeds model training the moment you hit send. No extra confirmation. No clear warning.

2/ Some companies keep your data forever

Amazon, Meta, and OpenAI have no confirmed deletion timeline for certain chat data. Your most private conversations could sit on their servers indefinitely.

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3/ Children get almost no extra protection

4 of 6 companies allow users aged 13-18. Most apply zero special handling to minors' data. Kids who can't legally consent are likely training the models they're talking to.

4/ Enterprise users are protected. You aren't.

Companies paying thousands are opted OUT of training automatically. You, paying $20/month, are opted IN by default. Two-tier privacy. You're on the wrong side.

5/ The opt-out is designed to make you feel guilty

OpenAI's toggle reads: "Improve the model for everyone." Stanford researchers flagged this as a textbook dark pattern.

6/ Real people have been identified from chat data

Meta's contractors routinely see identifiable personal information. Journalists positively identified a real person from shared transcripts.

7/ The policies are intentionally hard to find

Stanford had to dig through 6 separate documents for OpenAI alone. Researchers said piecing it together was challenging for them. For regular users? "Practically impossible."

8/ Only one company tries to anonymize your data

Microsoft explicitly stated they attempt to remove names, phone numbers, and addresses before training. The other five? Vague or completely silent.

https://twitter.com/1662704373049483264/status/2028393632848613549

I hope you've found this thread helpful.

Follow me @saidul_dev for more.

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More from @saidul_dev

Saidul

@saidul_dev

May 23

Delete 99.8% of your digital footprint from the internet.

Your data is out there on hundreds of sites you have never visited.

Here is a step-by-step guide 👇

1/ Remove yourself from data brokers

Spokeo → Search for yourself → Opt out → Submit.

Whitepages → Find your listing → Request removal.

BeenVerified → Go to the opt-out page → Submit.

These sites sell your name, address, and phone number to anyone. Do all three. 10 minutes. Removes 90% of what strangers find.

2/ Delete google search results

Google “google removal request.” Submit a request to remove pages that show your phone number, email, or home address.

This form has existed for years, and almost nobody uses it. Google legally has to review it, and requests usually get approved within days.

Read 9 tweets

Saidul

@saidul_dev

May 20

YOUR ANDROID PHONE IS SLOW BECAUSE OF A DEFAULT SETTING.

Not old hardware.

Most people buy a new phone before they ever find this:

Takes 90 SECONDS TO FIX. Here is exactly how ⤵️

I have been using this trick since 2012 on my first smartphone.

It made a single-core budget phone feel noticeably faster.

It still works on every Android in 2026. Most people have no idea it exists.

Here is what is actually happening.

Every time you open an app, switch screens, or tap a button your phone plays a small animation.

By default that animation runs at 1x speed. Around 300 milliseconds per transition.

That wait adds up every single time you use your phone.

Read 10 tweets

Saidul

@saidul_dev

May 17

Google has a recording of every search you've ever made.

Every place you've ever been.

Every YouTube video you've ever watched.

Go to myactivity.google.com right now.

You'll find searches from 2015. Voice recordings. GPS coordinates.

All stored. All linked to your name.

A decade of your life is sitting in one file. Here's how to see it and delete it:

This isn't a conspiracy theory.

A peer-reviewed study from Trinity College Dublin found that your Android phone contacts Google's servers every 4.5 minutes.

Even when you're not touching it. Even when the screen is off.

It sends your device ID, your phone number, your SIM serial number, and your location.

Even if you never signed into a Google account.

Source: Professor Douglas Leith, Trinity College Dublin, 2021.

How much data does Google have on you?

People who downloaded their full Google data reported files of 30, 60, even 150+ gigabytes.

That's the equivalent of tens of thousands of books. All about one person. You.

Go to . Download yours. See for yourself.

Warning: it can take hours to process. That should tell you something.takeout.google.com

Read 22 tweets

Saidul

@saidul_dev

May 16

Your Android phone's storage is full.

You delete photos, videos, apps. It's still full.

Because the real culprit is HIDDEN junk Android never shows you.

I got 23GB back yesterday without deleting a single photo.

Here's how 👇

Let’s start simple.

Every app on your phone quietly hoards temporary files called cache. Scroll TikTok for two hours and it saves chunks of every video you fly past. Open Shopee and it stores product photos. Day after day, it stacks up, and most of it doesn’t clear itself.

Want proof?
Settings > Apps > select an app > Storage

On my phone: TikTok is sitting on 4.7GB of cache. Instagram: 2.1GB. Shopee: 1.8GB. Chrome: 1.2GB.
That’s 10GB gone, just from four apps.

Tap “Clear Cache.” This is SAFE. You won’t be logged out, your chats won’t be lost, and your data won’t be lost. Only temporary files will be deleted.

What you should NOT press: “Clear Data.” This will do a complete reset, logging you out of everything.

Read 12 tweets

Saidul

@saidul_dev

May 14

Breaking: Apple keeps your deleted files and still charges you for the space they take up.

Deleting something on an iPhone does not mean it is gone.

It means Apple holds it and charges you rent:

Here is exactly where the rest is hiding and how to clear it in 20 minutes ⤵️

iPhone or iPad: Files > iCloud Drive > sort by size
Mac: Finder > iCloud Drive > sort by size

Old video exports. Zip archives. Presentation decks from two years ago. Stuff you downloaded once and never opened again.

Sort by size and the worst offenders show up fast.

I found a 1.8GB file I’d completely forgotten was even there.

iPhone: Settings > Photos > Optimize iPhone Storage
Mac: Photos > Settings > iCloud > Optimize Mac Storage

Your phone doesn’t need the full‑resolution version of every photo you’ve ever taken. Turn this on to keep smaller, space‑saving versions on your device while the originals stay safely in iCloud. It frees up storage now and helps prevent the problem from coming back.

Read 7 tweets

Saidul

@saidul_dev

May 11

If you've owned an iPhone in the last 10 years, Apple recorded you.

Medical visits. Bedroom moments. Drug deals. Apple contractors listened to the clips.

They just paid $95 million to settle it. Checks up to $100 are in the mail right now.

Most iPhone users have no idea this happened to them.

Here's how to stop it in 30 seconds:

Start here. The story is real.

In 2019, The Guardian broke a report on Apple. A whistleblower named Thomas Le Bonniec worked for an Apple contractor in Ireland. His job? Listen to Siri recordings.

What he heard made him quit

He said workers "regularly" heard:

- Private medical talks between doctors and patients
- Business deals
- Drug deals
- People having sex
- A recording of a pedophile

Le Bonniec flagged it to his bosses. They did nothing. He quit.

Read 16 tweets

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