"Obviously some people find value and fun in facebook applications plus they generate pageviews and ad dollars so everyones happy." They generate externalities

"Obviously some people find value and fun in facebook applications plus they generate pageviews and ad dollars so everyones happy." They generate externalities, which make some people unhappy. When you see Facebook Vampires, think of Facebook AIDS (http://www.byrneseyeview.com/byrnes_eye_view/a_little_more_on_why_applicati.html http://www.byrneseyeview.com/byrnes_eye_view/a_little_more_o...).