There are benefits to adopting web-based alternatives to paper: it’s easy to collaborate when everything’s online, students can collaborate without requiring parent time and gas fumes, teachers can answer questions in a timely manner, teachers can provide feedback on projects that students respond to and resubmit, student work is simple to copy, back up, and share as needed.
http://askatechteacher.com/2015/09/08/how-to-go-paperless-in-your-classroom/