Video Chat with up to 20 people for free. TokBox requires no download, only an internet connection and a webcam. Sign up is free and takes just seconds.
Code of best practice that helps creators, online providers, copyright holders, and others interested in the making of online video interpret the copyright doctrine of fair use.
J. Kim, P. Guo, D. Seaton, P. Mitros, K. Gajos, and R. Miller. Proceedings of the First ACM Conference on Learning @ Scale Conference, page 31–40. New York, NY, USA, Association for Computing Machinery, (2014)