EU GDPR, and ePrivacy legislation
Someone had already wrote about (the EU) GDPR.
I want to add, if I I remembered it correctly an opt-in by default was not OK by the EU.
Some information about the proposed: ePrivacy legislation, and GDPR.
ePrivacy : Proposal for a Regulation on Privacy and Electronic Communications
"Rules for business and organisations"
"Rules for business and organisations" -> "Dealing with (EU) citizens"
Non-EU Website: digiday.com
"The winners and losers of the EU’s new ePrivacy law"