Elfwreck, fingerprint sensing technology is indeed mature enough to be easy and reliable. Not many here seem to be using any of the latest business class laptops from HP or Lenovo. I've said it before - the EliteBook I use at work has a masterful stripe-type fingerprint scanner that never fails to recognize me. It is also batting 1,000 at not accepting other peoples' fingerprints. We keep checking because it amuses us. If you look at the lastest Lenovo X-series you can see how the technology fits even the smallest laptops as well.
Now I'll agree that the security of such a device is only as strong as the encryption of the biometric file. But it sure is convenient and effective against non-hackers (and what, today, is effective against a skilled hacker anyway?).
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