Which retail technology innovation was FIRST widely adopted by U.S. federal agencies to streamline government procurement?

The intersection of government and retail technology has created fascinating innovations in public service delivery. From government-operated online stores to specialized procurement platforms, the public sector has adopted various retail technologies to enhance citizen services. Test your knowledge about these government retail technology implementations and how they've transformed public service accessibility and efficiency.

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GSA Advantage! - an online shopping platform for government agencies
FedBid - a reverse auction marketplace
USA.gov Web Store - a central e-commerce site for government merchandise
Federal Retail Tax System (FRTS) - a point-of-sale tax collection system