On Wed, Aug 13, 2014 at 4:39 AM, Eric S. Johansson <e...@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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