Voida, A., R. E. Grinter, N. Ducheneuat, K. W. Edwards, and M. W. Newman,
"Listening In: Practices Surrounding iTunes Music Sharing",
SIGCHI Conference on Human Factors in Computing Systems (CHI), Portland, OR, USA, ACM Press, New York, NY, 2005.
Dourish, P., K. W. Edwards, J. Howell, A. LaMarca, J. Lamping, K. Petersen, M. Salisbury, D. B. Terry, and J. Thornton,
"A Programming Model for Active Documents",
ACM Symposium on User Interface Software and Technology (UIST 2000), San Diego, CA, ACM, pp. 41-50, November 5-8, 2000.