3 ms·
prior art: http://www.huffingtonpost.com/2012/11/30/brooklyn-free-school-_n_2214263.html http://www.huffingtonpost.com/2012/11/30/brooklyn-free-schoo...
by platz 12y ago
prior art: http://www.huffingtonpost.com/2012/11/30/brooklyn-free-school-_n_2214263.html http://www.huffingtonpost.com/2012/11/30/brooklyn-free-schoo...