Junk Mail Filter

One of my favorite life hacks is the ability to distinguish important mail from mail that I can discard unopened. While I was working on the DMM Transformation Project at CMU, I learned that personal correspondence and all bills or other mail with personal information are required to be sent First-class. Most junk mail uses the less expensive Standard rate. If you look in the upper right corner of the envelope and see anything like "Standard Mail" or "Presorted Standard" (or its abbreviation) then you can safely toss it, regardless of how official the envelope looks.

Unfortunately, most of the domain knowledge I learned on the Post Office project isn't nearly as useful in my day-to-day life. Though if you ever need to know how many attendant bees can be mailed with a queen bee, then I'm your man.

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