You can't, unless the services are mandated by law to make this possible. They are trying it as hard as possible for you to know this information and to opt out.
“This form is currently only available to Californian residents. Please see our Privacy Statement for more information, and for details on how to contact the Privacy Office.”
Corporations will abuse you. This data selling isn’t an accident, it’s all about making a few extra pennies on your custom. Every company does it so you can’t vote with your dollar. The only protection is legislation.
