However, recent events involving child predators and other dangerous individuals using these sites have raised concerns about safety. Particularly in the western conutries, many parents view social networking websites with suspicion while having limited understanding of what these sites really are or how they work. Used responsibly, social networking sites do not pose a danger or threat to anyone. Facebook, Myspace, and other sites have numerous benefits for their users in terms of interacting and talking with other people, but also provide comprehensive privacy and safety features. Facebook, for example, does not allow people to view others’ profiles unless they are friends, which requires both people to confirm their relationship.
Even though Some studies imply that social networks could have negative impact on people social health. These can cause people to stray from reality and immerse themselves in the virtual world of social community. “Instead of meeting people in person, they spend more time in front of the computer screens checking what the virtual friends are doing.”
The next effect that many scientists have warned about is the influence that social networks can have on human health. The main effect is on the human brain. “Baroness Greenfield, an Oxford University neuroscientist and director of the Royal Institution, believes repeated exposure could effectively 'rewire' the brain.”
Another important effect of social networks is on business....