RE: CAPTCHA Aside: Fingerprints fade with age

Facial recognition seems to be preferred - at least by Apple and Microsoft.

-----Original Message-----
From: Joshue O Connor <>
Sent: Friday, April 19, 2019 4:46 AM
To: Janina Sajka <>;
Subject: Re: CAPTCHA Aside: Fingerprints fade with age

Thanks for that Janina - something that struck me also from the conversation on the APA call, was the idea of 'fingerprinting' based on tracking a user interaction and being able to identify them from same, and fingerprinting as in the analogue sense.

I'm thinking we should be clear about when they are referring to two very different things.



On 19/04/2019 09:24, Janina Sajka wrote:
> I learned this anecdotaly yesterday. It was news to me that many adult
> fingerprints can become less and less readable as people age. The
> following page cites some credible sources:

> he-disappearing-fingerprints&amp;
> 1cb69b459746d6d82508d6c4a36a1d%7C0ba6e9b760b34fae92f37e6ddd9e9b65%7C0%
> 7C0%7C636912603479723669&amp;sdata=s9DiFIoa7CPLi42mNGIAzUnCbjv%2BUA9W0
> 3DwiZIfTK0%3D&amp;reserved=0
> I'm yet unsure what effect, if any, this will have on our CAPTCHA draft.
> Fortunately, my anecdote reporters seemed content with facial
> recognition alternatives.
> Best,
> Janina
Emerging Web Technology Specialist/A11y (WAI/W3C)


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Received on Friday, 19 April 2019 13:03:03 UTC