| 摘要 |
Interface methods for use in accessing information from a plurality of information suppliers comprise machine-reading a tag (28) carried by an item (52) and in response to data carried by the tag (28), either identifying an information resource address carried by the tag (28) and accessing the identified resource to download from that resource information aggregated from the plurality of information suppliers, or identifying a plurality of information resource addresses carried by the tag (28) and accessing the identified resources to download information from those resources.
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