premise: (b) “Confidential Information” means:  (1) any information, whether tangi-ble or intangible, in written or in machine readable form that is marked or designated in writing as “Proprietary” or “Confidential” at the time of disclosure;  (2) any information disclosed orally or visually to Receiving Party, provided that such information is orally identified as “Confidential” or “Proprietary” prior to or at the time of its disclosure, 