Social media is a great way to stay connected with friends and family. But by default, most platforms share far more of your personal information than you probably realize — with advertisers, data brokers, and sometimes complete strangers.
The good news is you can fix most of this in about 15 minutes. Let’s walk through each platform.
Facebook collects the most data of any social network. Here’s how to limit it:

Instagram is owned by Meta (Facebook’s parent company), so it shares a lot of the same data collection habits.

X (formerly Twitter)

The Settings You Should Always Turn Off
Regardless of which platform you use:
- Location sharing — No social media app needs to know where you are in real time
- Contact syncing — Don’t let apps upload your entire phone’s contact list
- Ad personalization — Reduces the amount of data collected about your browsing habits
- Search engine indexing — Prevents your profile from showing up in Google searches
Quick Win
If you only do one thing after reading this, make your accounts private. It takes 30 seconds per platform and immediately limits who can see your posts.
