So the Flash cookies were persisting into and out of private browser sessions.

Close all instances of the browser and start a new browser session.

These selections are available for your entire browser session.

Open a new browser session after making any of the changes below.

Each browser session can be initiated perform without asking too many questions at the outset.

They are stored in temporary memory and are only available during an active browser session.

The above cookies expire after 30 minutes or if the browser session is closed.

Then what happens is, it always thinks you're a new person, every time you launch a new browser session.

The settings only apply to your browser session.

Requests to send cookies are not designed to collect information about you, but only about your "browser session".