Your 'Anonymous' Browsing Data Isn't Actually Anonymous - Motherboard

Shocking and yet not...

The troubling thing about Eckert and Dewes' de-anonymization technique is that it can be used on anyone who has a public social media presence.

and...

"I have this feeling that data brokers don't know what's in the data," Eckert said. "When I made these phone calls to inquire about buying data, they spoke as if they were selling stones or apples. These companies have lost their minds when it comes to data collection."