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I do believe it's a Christmas thing. The topic numbers also alternate between red and green today.

• drdaeman 9y ago
  Hah! As a deuteranomalous person I wouldn't have noticed without someone telling, and then inspecting very carefully :(
  • XmasHijinx 9y ago
    They have glasses to correct that. Called Enchroma.
    • drdaeman 9y ago
      Well, normally that's not an issue at all. But those glasses are interesting. Never heard about this before. I'll check out - thanks a lot!