Effectively impossible. It's all in the domain.
On Sat, Dec 11, 2010 at 1:47 PM, Matthias Felleisen <matth...@ccs.neu.edu> wrote: > > > How difficult is it to implement one as a Planet lib that avoids tracking? > > > > On Dec 11, 2010, at 1:41 PM, Neil Van Dyke wrote: > >> One issue to consider with Recaptcha is that it's incidentally a Web bug >> that helps track people around the Internet. If you don't already have Web >> bugs in your site, by adding one you increase the cross-site tracking. >> >> In the case of PLaneT bug reports, the privacy and security cost of a Web >> bug seems negligible. >> >> However, I think it is good to sanity-check every time you use one of these >> effective Web bugs. I've seen sites like anonymous discussion boards on >> sensitive topics doing things like loading Recaptcha for not only posts >> (goodbye, posting anonymity), but also for every message a user views >> (hello, centralized detailed profiling). In many cases, I believe that site >> operators who help implement the tracking are unaware of it, although in >> other cases they might be indifferent or believe that the tracking will be >> used only for certain purposes they consider to be good. >> >> Now that I'm in my 30s, my interest in this is academic curiosity rather >> than activist, but I'd like to have at least Racket people aware of the >> implications when they decide to use an effective Web bug like Recaptcha. >> >>> FWIW, recaptcha is really easy to set up. Like less than 10 minutes from >>> not knowing anything about it to having a working system. >>> >>> http://www.google.com/recaptcha >>> >> >> -- >> http://www.neilvandyke.org/ >> _________________________________________________ >> For list-related administrative tasks: >> http://lists.racket-lang.org/listinfo/dev > > _________________________________________________ > For list-related administrative tasks: > http://lists.racket-lang.org/listinfo/dev > _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev
