The new school year has started, and we're looking forward to test-driving a handful of new innovations. Follow: @bradmcurrie @wkrakower @ScottRRocco @bamradionetworkBrad Currie is the co-founder of #satchat, a weekly Twitter discussion for current and emerging school leaders. Brad is a Vice Principal and Supervisor of Instruction for the Chester School District in Chester, N.J. Billy Krakower is a co-moderator and is a Computer & Resource Reading Room Teacher in Woodland Park, N.J. Scott Rocco is Superintendent of Schools in Spotswood, N.J., and co-founder of #Satchat.