standalone and networked computing devices having computer hardware and computer software configured for selective transmission of data from an event exhibitor to a remote or portable digital memory storage device held by an event attendee; standalone and networked computing devices that are distributed to exhibitors at events including trade shows and conferences, the computing devices having computer hardware and computer software that store informational data files that the corresponding exhibitor wishes to disseminate to event attendees, the computer hardware and computer software configured for selective transmission of the informational data files to remote or portable digital memory storage devices held by event attendees that wish to receive the informational data files; computer software for selective transmission of data from a computing device of a trade show exhibitor to another, authorized computing device held by a trade show attendee; computer systems for selectively disseminating electronic data files from exhibitors to attendees at events and conferences, the computer systems comprising multiple standalone or networked secure computing devices that are each associated with an exhibitor and which have computer hardware and computer software that store electronic data files relevant to the associated exhibitor and are configured to selectively deliver data to authorized remote or portable computing devices held by attendees

Technical consulting and assistance with computer-based information systems and components used in trade shows or conferences; computer hardware and software consulting services in the field of design, selection, implementation and use of computer hardware and software systems for use at events in which event exhibitors electronically disseminate data files to event attendees; consulting services in the field of design, selection and implementation of computer hardware and software systems for events in which multiple standalone or networked computing devices distributed to event exhibitors are configured to selectively deliver data to authorized remote or portable computing devices held by event attendees; consulting services in the field of design, selection, and implementation of computer systems for trade shows configured to selectively disseminate data from trade show exhibitors to authorized remote or portable computing devices held by trade show attendees