[Cabs-talk] Capcha
Terra Peterson
poolprincess at att.net
Thu Nov 12 00:11:00 UTC 2009
It's too bad that the form isn't going to be used on the site. It seems like
a good way for people to get in touch with CABS and the captcha isn't a bad
thing either. Sad to see the work that was put into it go to waste. Thanks
for the info about the captcha program.
God Bless
Terra Peterson
www.lifesrace.com
----- Original Message -----
From: "Justin Harford" <jharford at calmail.berkeley.edu>
To: "California Association of Blind Students Mailing List"
<cabs-talk at nfbnet.org>
Sent: Wednesday, November 11, 2009 6:03 PM
Subject: Re: [Cabs-talk] Capcha
> Yes thank you for your observation Terra. In deed the idea behind the
> captcha is that the computer does not know all the words spoken, only
> those readily understood. Often there are words in between that are not
> as clear, but if you get the words around them right, the computer
> assumes that you got the unclear stuff correctly as well. It then
> compares responses on the unclear words and based on the most common
> answers, fills in the blanks in the text. This is all part of their
> initiative to convert into text a collection of older books and media.
>
> I actually give a link to this near the bottom of the form.
>
> Regards
> Justin Harford
> CABS Secretary
>
>
> On Nov 11, 2009, at 3:49 PM, Terra Peterson wrote:
>
>> Hi Justin,
>> I think you are doing a good job on the CABS website. I was concerned
>> with the movie captcha only because I never understood if you had to put
>> all the words in or just some of the words. Now that I know you don't
>> have to actually get all of them right I think it's a good thing. I
>> agree with you that you shouldn't leave the site open for spammers. They
>> can and will take advantage of the site that way. It would be a good
>> idea to have some sort of option for deaf- blind people, although I don't
>> know what that would be. Keep up the good work!
>>
>>
>>
>> God Bless
>> Terra Peterson
>>
>> www.lifesrace.com
>> ----- Original Message ----- From: "Justin Harford"
>> <jharford at calmail.berkeley.edu
>> >
>> To: "California Association of Blind Students Mailing List"
>> <cabs-talk at nfbnet.org
>> >
>> Sent: Wednesday, November 11, 2009 3:04 PM
>> Subject: Re: [Cabs-talk] Capcha
>>
>>
>>> Good morning CABS
>>>
>>> In light of the issues concerns brought up regarding the captcha that
>>> we wanted to post I would like to say a few things with the purpose of
>>> explaining myself and walking away with my dignity intact..
>>>
>>> First to answer the question of whether captcha is really necessary,
>>> the consensus among web developers is that it is, and not to keep out
>>> blind people or blind/deaf people as is the feeling in some parts, but
>>> to keep out spambots which may easily post messages to a form as well
>>> as any human if no precautions are taken. It was expressed that
>>> captcha is consisting of visual images that blind people cannot
>>> access, yet this is not the definition of captcha. A captcha is
>>> merely a challenge that the user is put to in order to send a form.
>>> It is supposed to be a challenge that only a human could complete. It
>>> could be visual as most are, but it can be other things too. I did a
>>> captcha on a disability related sight that was a math problem.
>>>
>>> I had selected this captcha keeping our blind users in mind. I myself
>>> use a screen reader and could speak of ample experiences in which, if
>>> not for the small bit of vision I possess, I would have been cut out
>>> from a number of things. And no, the fact that I am a partial does
>>> not minimize the outrage I feel when I see a captcha that is just an
>>> image.
>>>
>>> As a result of this awareness, I took pains to make sure that if A
>>> captcha were to be implemented that it would be not only accessible to
>>> a blind user, but pleasant and easy to use. The one I selected gives
>>> you clips from old movies and radio shows and has you copy the words
>>> you hear into a field. You don't have to get them all right. It
>>> automatically routs your cursor to the edit field so you don't have to
>>> fumble about trying to find the edit field as the captcha is being
>>> spoken. In addition, the text that people input with this captcha
>>> goes towards an effort to digitalize old books and audio in a text
>>> format, another positive for the blind. Thus I hope you would
>>> understand my excitement at finding such an option.
>>>
>>> However, while I do think that most of the arguments made against this
>>> captcha are unfounded, there is one important point still standing,
>>> the issue for deaf and blind users. In the sight that hosted this
>>> captcha, they mention this as well, and that alternatives like email
>>> authentication should be offered. .
>>>
>>> I still sort of think that we should have an accessible captcha as it
>>> sets an example for other developers to follow. I can promise you
>>> right away that you will not convince many developers to compromise
>>> the security of their websites altogether by simply leaving captcha
>>> out, much better to show them how blind people can manage such
>>> security implementations. is there no way we could set up an
>>> alternative for deaf blind? Or even better, set up a captcha that
>>> asks basic math problems like that one I tried a while back?
>>>
>>> Meanwhile, I have deleted the link to the form on our contacts page,
>>> thus making it impossible for anyone to access the form from our home
>>> page. If anyone still cares to give input on the matter, the form can
>>> be still found directly at:
>>>
>>> http://www.nfbcal.org/cabs/contact/contactform.php
>>>
>>> Eventually I will just delete it from the server.
>>>
>>> When I found that option, I was just so overly excited at how much
>>> better it was from other accessible captchas I had done, that I just
>>> wanted to show it off to people. I apologize for whatever
>>> inconveniences it may have caused and hope that at least those who
>>> tried the form might see where I was initially coming from.
>>>
>>> Regards
>>> Justin Harford
>>> CABS Secretary
>>> On Nov 11, 2009, at 11:29 AM, Michael Peterson wrote:
>>>
>>>> Hi Justin I haven't looked yet and that might answer my question. But
>>>> is capcha absolutely necessary?
>>>> Generally I don't like it Lots of times the sound capcha's have
>>>> really garbled sound.
>>>> I'll maybe check and send a test message to see how I like this
>>>> capcha.
>>>> Mike
>>>>
>>>>
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>>>
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>>
>>
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