Today, among the large scale business enterprises, tags has become commonplace as it is electronically programmed for merchandize quick recognition classification, and inventories, though the common business chain tag is mostly passive with minimal data storage. There are also those that are called semi-active and active tags, which are programmed to read and write data as well as store large amount of it. The difference between the three types is in power storage ability, and read write ability. It could also be speculated that variety among the three different types would be along its vulnerabilities, though outwardly it may give the impression of being tough for the purpose.
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