[balls187]

Without amazon tech, you take an item off the shelf, hide it, and leave. There are cameras with loss prevention staff monitoring the feeds, and in some stores, sensors that trigger an alarm upon leaving.

With amazon tech, in addition to manually monitored cameras, you add AI monitored cameras, and sensors on shelves to detect an item has been taken.

Without Amazon's tech stores rely on staff members witnessing the item being hidden.

With Amazon's tech, the item is taken and marked for payment as soon as it's removed.