Frequent travellers using any of 10 UK airport terminals can enroll in
IRIS (Iris Recognition Immigration System) for automatic entry into the UK without
passport presentation or queueing at Immigration Control. Rather, they just
look at iris cameras in gates like this and, if they are enrolled in the
system -- as are more than 1 million persons so far -- they are automatically
recognised, without having asserted an identity, and the gate opens.
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