A system or method for providing a 3-D virtual healthcare industry trade show via internet including at least one server computer for collecting, assembling, storing, correlating, or otherwise processing information desired by a participant of the healthcare industry, and at least one other computer used by the participant of the healthcare industry connected via internet or intranet to conduct transactions with other participants or exhibitors of the healthcare industry trade show. Other embodiments include means for leaving any facility or any activity in progress and then return to at the same location, timing to continue without starting from the beginning of the visit or activity, means for creating a 3-D virtual Continuing Education facility, and means for disseminating FDA permitted off-label product promotions which are scientific and educational in nature to medical community as delivered by independent third parties in the formats of clinical trials, special studies, and grand rounds.