Infrared meets speed and security needs
IRDA, with its range limit of 1m and inability to penetrate walls, is extremely secure. Bluetooth, on the other hand, is mired in controversy, with numerous hacking stories and reminders to users to disable it when not in use. But really, the battle with Bluetooth is small beer in comparison with the prize of ubiquitous connectivity on which IRDA is focused.
By John Earley at ComputerWeekly.
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