The dictionary.reference.com website defines Privacy as the state of being free from intrusion or disturbance in one's private life or affairs: the right to privacy, but with social networks it seems this definition does not stand for what it means, several privacy activists have accused some social networks especially facebook of recklessly exposing users data.
With developers having access to the Facebook API in order to develop applications on the facebook platform, researchers have claimed that Facebook is exposing too much of users data to developers which is infringing on people privacy. Some people have claimed that in using these applications their data is not only what is accessible to developers but their friends data too. Can read more about the privacy problem on Facebook here
This cartoon depict what users experience with using applications on facebook.
