helsinki-airport_2989753bAll mobile phones logged into the Wi-Fi network at Helsinki Airport will be monitored by an in-house tracking system that identifies passengers’ real-time movements. The technology has been criticised by privacy advocate groups, but is said to be aimed at monitoring crowds and preventing bottlenecking at the airport, which sees around 15 million passengers a year, Bloomberg reports. About 150 white boxes, each the size of a wireless internet router, have been placed at various points around the airport. Equipped with tracking technology from the Finland-based retail analytics company Walkbase, each device is designed to collect the “unique identifier numbers” of all mobile phones which have Wi-Fi access switched on. Users wanting access to the WiFi network will be notified of the monitoring system before they log in to the network. More