US mail volume increased for decades upon decades until the 1990s. And it started to level off in the 1990s (forming an S shape from 1926 to 1999) with the rise of email and the Internet, and then, since the early 2000s has fallen off a cliff (the beginning of a reverse S).
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Pieces of Mail Handled | The End of Traffic…
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US mail volume increased for decades upon decades until the 1990s. And it started to level off in the 1990s (forming an S shape from 1926 to 1999) with the rise of email and the Internet, and then, since the early 2000s has fallen off a cliff (the beginning of a reverse S).