Facebook has incentives to make your data available to advertisers. That does not mean it needs to make your data available to someone who possesses a device th

Facebook has incentives to make your data available to advertisers. That does not mean it needs to make your data available to someone who possesses a device that you accessed Facebook from. The point of the idea is that when you turn it on, your data isn't removed, it's simply not accessible via a device until it's turned off.