In my opinion, private information includes personal data such as bank account number and social securty number as well as national secret and corporation information. All this information must be protected and not be used for one’s own purpose without permission. Moreover, this information also posesses own rights.
Therefore, if so much information is given away freely via social media, there must be lots of problems with either corporations or governmnet reviewing published information. Much of the information could be used for one’s benefit or other private reasons, for example, revenge. In worse situation, corporations can monopolize and oligopolize, which can have negative influence on consumers, and world nations can even go into a war.