opt in
Definition
Express permission by a customer, or a recipient of a mail, email, or other direct message to allow a marketer to send a merchandise, information, or more messages. This is the method generally used by most direct marketing firms, subscription or non-subscription periodicals, information suppliers, etc. After the opt in, the marketer will keep on sending the material or messages until the recipient chooses to opt out.
News containing the term opt in
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