Yes, marketing communications will require clear, unambiguous consent from the recipients - otherwise known as ‘opt in’.Some companies have already been caught out even before GDPR is in force. For example Flybe and Honda recently wrote to customers asking for consent in preparation for GDPR. They were both fined last month in the UK because those requests constitute unauthorised marketing communications under PECR (see below) that GDPR will replace.The only safe way to comply is to ask for consent in the form where the customer provides contact information.Cold mailing is already illegal u...