How to run server ~/workspace/run.sh How to use it: The value updates every minute and whenever the form is submitted. Students can see current queue length here: http://tiny.cc/323qsize How it works: Google spreadsheet script counts number of students waiting in the queue. This is the number of submissions in the "Today" spreadsheet for which the "Helped" column is empty. It sends a GET /change/<number> request Students read the value with Get / Future work: Host it somewhere else so c9 doesn't shut it down. In the meantime, we will have to boot up this workspace every time and start up the server.