有没有发现这个？ http://winterbash2016.stackexchange.com
SoloCompany · 2016-12-21 14:12:20 +08:00 · 2826 次点击这是一个创建于 2879 天前的主题，其中的信息可能已经有所发展或是发生改变。
Stack Exchange invites you to celebrate the end of a great year … with HATS! As you use your site, you'll discover hats and other items hidden behind certain actions. Collect all of them, some of them, or none of them, but be quick – the hats get put back in their boxes on January 9th!
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SoloCompany OP 得到了一个 secret 帽子，是假面具。。。
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