An opt-out looks like a simple text. The person will text a special word. The word can be "STOP." It can be "UNSUBSCRIBE." It can be "END." Your business needs to be ready for this. Your system should know what these words mean. When your system sees one of these words, it should do two things. First, it should remove the person from your list. Second, it should send a message back. T... https://dataon.site