Origins of using "so" as a sentence opener

Anand Giridharadas of the New York Times traces the origins of using the word "so" to start sentences, and its widespread adoption.
So, it is widely believed that the recent ascendancy of "so" began in Silicon Valley. The journalist Michael Lewis picked it up when researching his 1999 book The New New Thing: "When a computer programmer answers a question," he wrote, "he often begins with the word 'so.'" Microsoft employees have long argued that the "so" boom began with them.

...

This logical tinge to "so" has followed it out of software. Starting a sentence with "so" uses the whiff of logic to relay authority. Where "well" vacillates, "so" declaims.

"So" Pushes to the Head of the Line

Where not otherwise specified, this work is licensed under a Creative Commons License permitting non-commercial sharing with attribution. Boing Boing is a trademark of Happy Mutants LLC in the United States and other countries.