Classrooms today look a lot different than they did even just 10 years ago. Smart boards have replaced chalkboards, and kids are more likely to use computers than spiral notebooks to take notes. Yet the importance of those in front of the classroom has remained constant. On this week's Cityscape, we're sitting down with Lynette Guastaferro, executive director of Teaching Matters. The organization works to make sure teachers in New York City public schools have the skills and tools they need to succeed in the classroom and drive school-wide improvement.