The "Address Book" link (in the top right-hand corner by your name) contains all your NowComment contacts.
To add a new person not yet in your contact list, enter his/her email address into the data entry box (one address at a time) and click "Add contact".
NowComment will sync a newly added email address with that person's name after he/she activates their NowComment account.
You can also bulk import you contacts from Gmail, Hotmail, and Outlook (using the latter's CSV option); here's the Gmail screen:
[Sorry, we can't yet import contacts from Yahoo Mail, non-Outlook CSV files, or other data sources.]
There are several ways to share a document with someone in your Address Book, or to add someone from your Address Book to a Group:
We have more tip files and short videos that walk you through using NowComment… or skim our "Features Gallery".