Looking at #'s new Privacy Policy.

"We use various current--and later--developed tracking technologies to automatically collect information ..."

* Pixels (also known as web beacons), which is code embedded ... that sends information about your use to a server.

* Device Fignerprinting ... to create a "fingerprint" of your device and uniquely identify your browser and device.

We also collect information from other sources. ... Data brokers or resellers ... Social networks ... Partners ... Publicly-available sources ...

I guess they are not any different than anyone else, but now they've said it.