Name: GPS
Provider: .youtube.com
Purpose: Registers a unique ID on mobile devices to enable tracking based on geographic GPS location.
Placement: After permission.
Marketing purposes: Yes.
Necessary: No.
Time: 32 days (Session).

Name: PREF
Provider: .youtube.com
Purpose: Registers a unique ID that is used by Google to keep statistics on how the visitor uses YouTube videos on different websites.
Placement: After permission.
Marketing purposes: Yes.
Necessary: No.
Time: 256 days.

Name: VISITOR_INFO1_LIVE
Provider: .youtube.com
Purpose: Try to estimate user bandwidth on pages with integrated YouTube videos.
Placement: After permission.
Marketing purposes: Yes.
Necessary: No.
Time: 180 days.

Name: YSC
Provider: .youtube.com
Purpose: Registers a unique ID to keep track of which videos from YouTube the user has seen.
Placement: After permission.
Marketing purposes: Yes.
Necessary: No.
Time: Session.

Name: CONSENT
Provider: .youtube.com
Purpose: Unknown.
Placement: After permission.
Marketing purposes: Yes.
Necessary: No.
Time: Unknown.