In 2008, the scientists, hackers, artists and utopians who attended the annual Chaos Communication Congress in Berlin had the option of upgrading their badges.
在2008年，一年一度的混沌通讯大会在柏林举行。参加会议的科学家，黑客，艺术家和乌托邦者们可以升级他们的徽章。
In 2008, the scientists, hackers, artists and utopians who attended the annual Chaos Communication Congress in Berlin had the option of upgrading their badges.
在2008年，一年一度的混沌通讯大会在柏林举行。参加会议的科学家，黑客，艺术家和乌托邦者们可以升级他们的徽章。
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