Spam filters are a thing we rely on every single day to protect us from an overwhelming amount of unwanted messages, but we rarely think about the technology behind them when everything works. When the algorithms do break, all hell breaks loose, as we suddenly realize how many emails get filtered regularly. That's an experience some Gmail users have been going through over the last few days, as Google's spam filters appear to have been on strike for them. Google confirmed the bug is now fixed.

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