this article explains how certain companies follow terrorist online and provide us with terrorist movement and related issues quicker then any other source.
Psychological research on Twitter reveals who tweets, how much, what they talk about and why. There are now 190 million Twitter users around the world producing 65 million tweets each day. 19% of US internet users now say they use Twitter or a similar service to share updates about themselves-double the figure from the previous year (Pew, 2009).
This study used an experiment embedded within a Web-based survey to examine the influence of contextual (i.e., face-to-face vs. online chat room discussion) and social-psychological factors on individuals' willingness to express opinions. In this experiment, respondents were asked whether they would be willing to express an opinion if they were placed in a face-to-face discussion group in one condition and in an online chat room discussion group in the other condition.
"No less than a decade ago, the majority of mainstream music was funneled through a handful of media conglomerates. But now more individuals are listening to more music from a greater variety of sources than at any time in history." Greg Kot
Facebook is developing features that will make the sharing of users' favorite music, television shows and other media as much a part of its site as playing games or posting vacation photos.
So what does this have to do with the psychology of cyberspace? There are two basic ways the internet tends to create division in one's life and identity. First, people tend to separate their online lives from their offline lives. You may have online companions, groups, and activities that are quite distinct from those you have in the face-to-face world.