conq writes "BusinessWeek has a piece on new tech used in the airport of Helsinki to monitor behavior and alert people when predefined situations arise. From the article: "The system can alert staff to events which may need further investigation without the need for every camera to be observed by staff. For example, suspect packages or vehicles left unattended will be flagged up and staff alerted. Similarly if the system detects queues growing beyond a pre-defined length in the security zone staff will be alerted of the need to open another lane""
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