We are reaching a point where the number of inputs we have as individuals is beginning to exceed what we are capable as humans of managing. The demands for our attention are becoming so great, and the problem so widespread, that it will cause people to crash and curtail these drains. Human attention does not obey Moore's Law.
L. Dabbish, and R. Kraut. CSCW '06: Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work, page 431--440. New York, NY, USA, ACM, (2006)
S. Whittaker, and C. Sidner. CHI '96: Proceedings of the SIGCHI conference on Human factors in computing systems, page 276--283. New York, NY, USA, ACM, (1996)