Seventh and eights grade students in the Say Yes to Education project at Roberts School came up with this and 3 other questions. Then SU's School of Architecture, which designed the project, created and mounted this and 3 other boards downtown and on Westcott St.
An article on Syracuse.com explains all. You can find it here: http://www.syracuse.com/news/index.ssf/2011/04/publics_answers_to_students_qu.html
I find it an interesting use of public space. A video, using the texted and email-messaged answers, will be shown at the Everson Museum on May 4.