Captcha identify

[Chris Kaynor]

On Wed, Aug 13, 2014 at 4:39 AM, Eric S. Johansson <esj at harvee.org> wrote:

> eliminate captchas, 35+million disabled people would thank you as would
> many more millions of the not-yet-disabled like your future self.


And so would the spammers, which is who captchas are trying to block.

For ease-of-use, most sites only require captchas to be entered once upon
creating the account. Some might also require additional captcha entries
when the account is suspected of spamming. This is ultimately a trade-off
of blocking spammers and allowing accessibility.

Many of the better captchas also include options for an audio cue in
addition to the default visual one.

Chris
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