Happy birthday, dear internet: You’re 50 years old!

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In the latest installment of “Mr. Smith Goes To…”, NBC’s Harry Smith joins TODAY with a special essay for a special occasion: the 50th anniversary of the internet. It’s come a long way since its humble origins at UCLA, when a network of primitive computers crashed before a simple message could be typed. The TODAY anchors talk about things the internet has made obsolete, like encyclopedias, phone books and beepers.