To many, a small public library card may only be a credential for borrowing physical books. However, in today’s era of digitalization and interconnectedness, the function of this card has long surpassed its traditional scope. It has evolved into a multi-purpose pass that unlocks digital resources, community services, and even a smarter life. Its modernization—especially the […] The post Unlocking Infinite Possibilities: The Hidden Functions of the Public Library Card and the RFID Revol...