@enf @shadychars @widespacer New discoveries in the tricolon mystery.
I found an old Sholes & Glidden document and got it scanned. I see three uses.
1) “semigraphics,” which we knew of before.pic.twitter.com/8pFFHEYRgG
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Wasn't the parentheses usage originally suggested to us by some obscure paragraph in an early article about typewriters? I have a memory of this, but I didn't put it in my "Lost key of QWERTY" article, and can't immediately find it in my notes.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.