Which of these retail technologies was initially invented for a different purpose before being adapted for shopping?

The retail landscape has been shaped by groundbreaking inventions that transformed how we shop. Some innovations were specifically designed for retail, while others were adapted from different fields. This trivia challenges you to identify which famous retail technology was originally created for a completely different purpose before revolutionizing the shopping experience. Test your knowledge of retail innovation history!

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

The barcode scanner, which was originally developed by IBM to track railroad cars before being adapted for retail checkout in the 1970s
The electronic cash register, which was specifically invented by James Ritty in 1879 to prevent employee theft in his saloon
The shopping cart, which was purposefully created by Sylvan Goldman in 1937 to help customers carry more items in his Oklahoma grocery store
The customer loyalty card, which was designed by Sperry & Hutchinson specifically for their S&H Green Stamps program in 1896