If a teacher had designed Twitter, it would have looked like Edmodo, writes ZDNet blogger Christopher Dawson, technology director for the Athol-Royalston School District in northern Massachusetts. "I just discovered Edmodo yesterday, somewhat ironically via Twitter," Dawson writes. "Like Twitter, it’s a microblogging site, but it builds in significant additional functionality to support classroom interactions. Note to any student information systems vendors looking to build social media functionality into your products: Look at Edmodo." Dawson adds: "When you create an account, you designate yourself as a teacher or student. Teachers can create groups that students join when they create their [own] accounts; … then, messages, files, links, and assignments can be sent to whole groups. … The assignments can have due dates and file attachments; similarly, students can either complete the assignment by replying or can upload a file. Teachers can provide immediate feedback and scoring…"