Finger scanner
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Finger scanner for internet banking launched by Barclays

4 September 2014 Last updated at 00:02 BST

People could be able to get into their internet bank accounts just by putting their fingers into a portable scanner in future.

The technology is being launched by Barclays, for businesses first of all and potentially for personal customers in the future.

The BBC's personal finance correspondent Simon Gompertz has been trying it out.