"I’m sure that the most obvious question you will have if you have received this message is ‘where did they get my mobile number from?’"
Now you might have thought their hopes would have been higher than that. Perhaps "Thanks for the message; what can I do to help your campaign?" Leaving aside the wisdom of persisting with a marketing campaign that has to have at its heart a page to mollify those who have been upset by it, what about the law of all this?
Better Together explain: