When a passenger steps forward to get on a flight, an agent could hold up the boarding pass and passport in front of their smart glasses, scanning barcodes on the two documents simultaneously.

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In a room down the corridor, several people are hard at work scanning barcodes from stacks of documents with an optical character reader.

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"Users have to be better educated about the risks of opening Office-style documents with macros in them without virus-scanning on their desktop, " says Neil Farish, a consultant with The Devon Group in Ottawa.

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