Blackbook is an exclusive localized VIP list for a given city. Blackbook members are hand selected, and represent the young, social, attractive, and influential crowd that generally drive the nightlife scene. These are the people that clubs and bars love to have in their place, because they attract others and bring in more business. Each Blackbook member is given exclusive access to this mobile app, that allows registered vendors a chance to offer personal invitations and incentives to get entice them in the door.