Abstract: A system is disclosed for delivery of a therapeutic agent to a site in mucosal tissue or to the skin of a patient. The system includes a porous mucoadhesive, freeze-dried matrix formed by a composition including chitosan in an aqueous salt solution of a chloride salt of a monovalent cation. The system further includes a plurality of chitosan microparticles having an average diameter between 500 nm and 2000 nm and comprising a therapeutic agent.

Abstract: A customer service system and method are provided to enable different parties or organizations to communicate or share customer service information with one another. Different parties may be enrolled as members of a customer service network, and representatives from those parties can communicate with one another and share information knowledge. In particular, parties can forward or assign customer inquires to other parties (both in and out of the network) who may be more capable or competent to respond to a customer query. Parties in the network may also subscribe to customer service information published by other parties in the network.