An anonymous reader writes "In a fascinating post from Kelly Jacklin, the long time Apple software engineer details how he helped create the default text alert sound on the iPhone — a sound otherwise known as 'Tri-tone.' The history of the the pleasant text alert sound that we've all come to know and love stretches all the way back to 1998, nearly 10 years before the iPhone ever hit store shelves." Here's Jacklin's post.
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