Opt-in or opt-out refers to a user’s decision to receive product information from you. The information they choose to accept could include:
If a user opts in to receive your marketing materials, you can continue sending them until the user opts out. This is the method that marketers of every stripe use to gain permission to market to an individual.
Why watch opt-in rates? They tell you the percentage of users who allow you to market to them.
The opt-in rates of first-time users for marketing campaigns hovers at 63%.
If you want to increase opt-in rates, then there are several ways to do so.