As privacy is one of the concerns of Hi! the user is the one who decides which information he/she wants to share.
By creating profiles the user can choose which links are suitable for each situation.
Hi! is integrated with Facebook so the user can easily import his/hers informantion from his/hers public profile.
This is not another phonebook app, it is integrated with your smartphone contacts so all your contacts kept in a single place.
Hi! is perfect for situations in which you need to share information quickly and securely.