Which of these retail technology inventions was first patented in 1952 by Norman Joseph Woodland and Bernard Silver, but wasn't widely adopted until the 1970s?

The retail landscape has been dramatically transformed by technological innovations throughout history. Some inventions have completely revolutionized how we shop, while others quickly faded into obscurity. This poll tests your knowledge about a groundbreaking retail technology that fundamentally changed commerce as we know it. Do you know which innovation first allowed merchants to automatically track their inventory and revolutionized checkout processes worldwide?

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

The barcode (Universal Product Code)
The electronic cash register
The credit card magnetic stripe
The shopping cart with wheels