Attendee trade show badges with 2D bar codes containing demographic information and printed with the attendee’s name have been around for a long time but are gradually being replaced by ones with a QR code and a lot less data. Whether planned or by accident the current trend is helping to address a growing concern voiced by trade show attendees – DATA SECURITY!!! In 1996, as a founding member of one of the early companies providing third party “lead retrieval” systems to the trade show industry, I viewed the efforts of registration companies to encrypt…
