I pass this East Wilson Street building every morning on the way to work,
and every day I've wondered why there's a sign that says "toast" on the door.

I tried googling it, but all I could find were restaurants.

So I simply barged in yesterday and asked the guy behind the desk inside.
He said the sign is the logo of Square Toast, a computer system sales company.
When I apologized for interrupting with my stupid question,
they said they get quite a few people dropping in to ask.

And now we know.