> What concrete things do I gain from opting out? What do I lose? How does it actually affect my life? These are for profit businesses and both are ultimately

> What concrete things do I gain from opting out? What do I lose? How does it actually affect my life? These are for profit businesses and both are ultimately controlled by investors. What's to stop Google or Facebook from giving that data to your insurance company so they can increase your premiums? Or what about the case a few years ago where a girl was pregnant and her father found out when Target started sending them targeted ads and spam? And keep in mind not only do they collect and use this data but they NEVER delete it. It's their data an it's their data for as long as they decide to keep it. What you gain is the ability to say or do something without being forced to think "in 25 years will this be used against me?"