•   about 10 years ago

Why does it seem 3/4 of the submissions are the same.

Just an observation and I intend in no way to be negative about your ideas. I just have read over the submissions and most of them have said to report the number to FTC or phone company. Dont you think this has not been done or tried already? I just thought the idea of this challenge was to actually stop the calls from being placed or reaching the consumer.

  • 1 comment

  •   •   about 10 years ago

    I don't see convergence on a single solution as a problem, in fact that is very common. During the email spam crisis we came up with a solution at VeriSign that was essentially the same as the one being worked on by Microsoft, Yahoo and Cisco. It is now an IETF standard called DKIM.

    What does worry me is this idea that we can solve the problem of irritating robots by introducing more irritating robots. CAPTCHA is not a solution, it makes the problem hundreds of times worse.

    I encounter a robocaller maybe once a week. For CAPCHA to be effective I would be encountering challenges many times a day. And guess what, I would hang up the phone rather than answer the challenge as would many other people.

    Acceptability has to be considered for both parties on the call. The legitimate caller has a veto on the process too.

    Look, we have known about the CAPCHA technology for 15 years now. If it was a solution people could easily deploy it using Asterisk. But people who tried to sell similar schemes for spam quickly discovered that most legitimate senders just got annoyed by them.

    The other problem with CAPCHA is that there are sweat shops in various low wage parts of the world where people solve the email challenges for about $0.10 per thousand. Voice solutions are a little more expensive but not much worse. And machine solutions are also quite practical. The original paper was subtitled 'how lazy programmers do AI'.

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