To control what data you collect from your users, see the article about card fields below:
Card Field - Basics
Everything there is to know about card fields.
Beyond what data you collect you can customize the design of your card registration form
Logo
Title
Subtitle
Font
Background color
The text color, light or dark, is automatically calculated based on the background color you choose.
It's really easy to see how the form will look like as you get an awesome live preview, just like when designing your card.
Card Field - Basics
Everything there is to know about card fields.
Card Distribution and Sharing
How to distribute your card to the masses or by invite only.