For years, I’ve marveled at co-workers’ inboxes. Some, like me, make a conscious effort to limit the number of unread emails (even if we don’t always reply to everyone) while others are perfectly happy to let thousands of messages pile up — and simply ignore them. Personally, I can’t handle the thought of having more than 20 unread messages in my inbox. If my email count surpasses this magic number, I need to take immediate action or else deal with mounting anxiety that prevents me from doing my actual job or enjoying a vacation. Having a relatively clear inbox is…

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