Your contacts are people who you'll only see via vid-phone (and even then, some will refuse to turn the video on when you speak with them), but they can be of tremendous help to you. As soon as you get a contact, his or her name will show up in your pocket secretary and also in the vid-phone menu when you use a street terminal. On the vid-phone, choose the person's name to call them and carry on a conversation as usual. By talking to contacts, you can arrange the sale of rare items, gain information, or secure other helpful services. It would really be worth your while to try to get hooked up with as many contacts as you can, as soon as you get the chance.