Thanks for showing up first thing on the second day. This talk was going to be entitled Pretty Good Democracy, but out of courtesy to Phil Zimmerman I thought I should email him and ask him if he was happy with me using this title; and initially he seemed to be quite positive about it, but he's handed the rights of the name over to a company and they're not happy about me using the brand name, so strictly speaking the scheme won't henceforth be called Pretty Good Democracy, but for the purpose of the talk I'll refer to it as PGD.
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