Which point-of-sale innovation first allowed airline passengers to completely bypass traditional check-in counters by letting them print boarding passes at home?

The transportation industry has undergone numerous retail transformations over the years, particularly in how customers purchase tickets and services. Point-of-sale systems have evolved dramatically from paper tickets to sophisticated digital platforms. This poll tests your knowledge of a pivotal moment in transportation retail technology that fundamentally changed how consumers interact with transportation services worldwide.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

IATA's Common Use Self Service (CUSS) kiosks introduced in 2000
Home-printed boarding passes with 2D barcodes, introduced by Alaska Airlines in 1999
Sabre's Automatic Ticket and Boarding Pass system from 2002
United Airlines' EasyCheck-in web portal launched in 2001