If you are out and about in Downtown or Oakland on Friday and Saturday around 5:30pm – look up in the sky.  The Sky is the Limit is a new project from Carnegie Mellon University Associate Professor of Art Kim Beck.  An airplane skywriter will write messages over Pittsburgh taken from billboard advertising. The Sky Is The Limit Friday, October 1 and Saturday, October 2 5:30pm The plane will fly over downtown Pittsburgh, the North Side and Oakland. Each letter will be one mile high and will be visible throughout the area. More info here and follow @idealcities on twitter… Read the rest