10. Your political beliefs

9. Your romantic life

When a new couple begins their relationship, things tend to slow down a bit. Their comments, messages, and interactions often decrease, but this doesn't signify a problem. In fact, it usually reflects a healthy relationship. The latest exchanges tend to be more meaningful than the ones before they got together.
8. Your call, text, and multimedia message history

7. Your very existence

6. Your whereabouts

Instead of relying on your phone’s location services, Facebook now uses your Wi-Fi, IP address, Bluetooth, browsing history, check-ins, and any other content you share on the platform to track your location. Unlike the location setting, this one cannot be turned off.
5. Your pregnancy condition

4. Your sleeping habits

Messenger has tools that track when you're active on the app across all devices. By using a specific code, someone can check the status of people on their friend list to see when they’re online, offline, or idle. This information can then help deduce when someone is awake or asleep.
3. Your distant and forgotten relatives

We've already covered how the 'people you may know' feature works in a previous section, but it turns out to be more advanced than we initially realized.
Ms. Porter was his great aunt. She married his grandfather's brother a year after his birth, and that was the only time they ever met. They had no mutual acquaintances and lived far apart—she was in Ohio while he was in Florida.
2. Your mouse movements

1. Your breakups

