@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
Sorry - I was thinking more about two hyojens/dashes as a parenthetical em-dash.
*hyphens
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.