9. A system for notifying one or more users of information, the system comprising: a processor; a memory for storing instructions that when executed cause the processor to: building subscribable objects to provide to one or more registered recipients, wherein the registered recipients register their interests with a subscription server through a subscription portal that enable registered recipients to create, modify, and delete interests, wherein each of the subscribable objects is built based upon one or more predefined templates, and wherein each the predefined templates identifies required attributes and optional attributes corresponding to roles assigned to the recipients; receive, at a subscription server, a notification request, wherein the notification request includes a subscribable object and a notification; identify, at the subscription server, at least one recipient of the notification; creating, at the subscription server, a communication flow expression for the notification request, wherein the communication flow expression comprises an identifier of the at least one recipient and at least one condition for a transmission of the notification; matching the subscribable object of the notification with at least one subscribable object of a subscription, wherein the at least one registered recipient is assigned to at least one role, wherein the at least one role identifies at least one privilege, and wherein the at least one privilege permits the at least one role to subscribe to the at least one subscribable object; and transmitting, from the subscription server, the communication flow expression and the notification request to a notification and response system, wherein the notification and response system executes the communication flow expression.
9. A system for notifying one or more users of information, the system comprising: a processor; a memory for storing instructions that when executed cause the processor to: building subscribable objects to provide to one or more registered recipients, wherein the registered recipients register their interests with a subscription server through a subscription portal that enable registered recipients to create, modify, and delete interests, wherein each of the subscribable objects is built based upon one or more predefined templates, and wherein each the predefined templates identifies required attributes and optional attributes corresponding to roles assigned to the recipients; receive, at a subscription server, a notification request, wherein the notification request includes a subscribable object and a notification; identify, at the subscription server, at least one recipient of the notification; creating, at the subscription server, a communication flow expression for the notification request, wherein the communication flow expression comprises an identifier of the at least one recipient and at least one condition for a transmission of the notification; matching the subscribable object of the notification with at least one subscribable object of a subscription, wherein the at least one registered recipient is assigned to at least one role, wherein the at least one role identifies at least one privilege, and wherein the at least one privilege permits the at least one role to subscribe to the at least one subscribable object; and transmitting, from the subscription server, the communication flow expression and the notification request to a notification and response system, wherein the notification and response system executes the communication flow expression. 12. The system of claim 9 , wherein the notification is transmitted if a sender of the notification request has privileges that permit the sender to notify a first recipient.