Advanced technology is expected to change prepaid phone cards and the market. is technology will undoubtedly impact the prepaid-phone-card market. Not only can smart cards do prepaid calling, but also they have the capability to go much further with new services, security and convenience. However, smart-card technology is still in its infancy. In the meantime, as prepaid calling becomes more sophisticated, there will be more applications and uses made of the cards to further expand the ...
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