British Airways CitiExpress, the first to pioneer this self-service initiative, piloted it on its London City Airport routes to minimize queues at check-in desks, in 1999. The CAA (Civil Aviation Authority) approved the introduction of the 3D boarding pass in February 2000. Early adoption with passengers was slow, except for Business Travellers. However, the advent of low-cost carriers that charged for not using print-at-home boarding passes was the catalyst to shift consumers away from traditional at-airport check-in functions. This paved the way for British Airways to become the first global airline to deploy self-service boarding passes using this now ubiquitous technology