Jordan Shapiro encourages his Temple students to tweet in class. He says the same critical thinking and crisp articulation skills come from writing essays as they do in 140 characters. “When they get into the business sector, they need to learn how to carry on multiple kinds of conversations. Part of what I’m doing is creating a space where they can start to experiment and learn how to do that in ways that will last the rest of their lives. That’s a valuable skill to be able to think critically in multiple ways.”