A Digital Business Card is a

link with all your contact info,

- Company info, what you do,

where to connect with you ;

& allows you to 

download your virtual contact card 

onto someone's mobile phone. 

The NFC sticker is a 

"Near Field Communication" 

device that can stick to anything. 

It can transmit your link to phones with 

NFC reader technology 

(think apple & samsung Pay).