Which of these transportation advertising innovations was first implemented commercially in major urban markets?

The transportation industry has embraced numerous innovative advertising techniques to capture attention in motion. From high-tech displays on vehicles to strategic placement along commuter routes, transportation advertising has evolved significantly. This trivia question tests your knowledge about a groundbreaking advertising innovation that changed how brands interact with commuters. Can you identify which transportation advertising technology made its debut first?

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

Digital projection mapping on moving trains that adapts content based on location
Bus wraps with full-vehicle exterior vinyl graphics
Interactive digital panels at transit stops that respond to passenger movement
Subway tunnel video walls creating moving advertisements visible through train windows