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Interesting civil liberties note: This pledge is blocked by Netsweeper, who seem to have an odd idea of what is and is not a "match making site". This means that several hundred thousand schoolkids and students in the London area won't be able to sign up from school, since Netsweeper is the default net-nanny software on the London Grid for Learning.
This isn't the first time I've noticed them blocking civil liberties sites; for example, the Electronic Frontier Foundation, which was blocked as a hacking site.
Wonder what genius thought that one up...Marcus Rowland, 12 years ago.