Use in your messaging to your target audience and customers personal tagging. It will address the sales message better as the customer gets the feeling its personal and a serious offer especially for the receiving audience.
Actually it will boost your conversion.
If your are adding your text in the email or on the landing page and 'Thank you page', you will see a blue button with a white 'plus'. It means you can add a 'placeholder text', like first name, family name, full name, gender. We will add more variables along the way.