Which historical retail technology innovation is widely considered the first modern point of sale (POS) system that could track inventory and sales data?

Before computerized registers and touchscreens transformed retail, cash registers and point of sale systems evolved through fascinating technological milestones. This poll explores a pivotal moment in retail technology history that forever changed how stores managed transactions. Test your knowledge about the technological breakthrough that laid the foundation for modern retail operations and data management.

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The NCR Class 5 mechanical cash register (1906)
IBM's 3660 supermarket system (1973)
The Sweda electronic cash register model 800 (1965)
McDonald's Micros system (1982)