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
Oh did someone beat me to it? It was intended as another tweet with the property that for each letter or numeral it contained it also told you how many there were. I wanted to send an empty tweet but couldn’t, but since yours contained commas I felt OK about it.
I used to meet a collaborator in a Google lobby; he'd sign me in, so I could enter the building properly. Initially, when I arrived in the lobby I'd text him with some variant of "I'm in the lobby", but we eventually evolved to ".".
