Question

why is privacy setting of a social network site so important​

Answer 1

Answer:

so no ones private message and details will not be stealen.

no one have rights to steal other details

Answer 2

Privacy settings of a social networking site are important due to the following reasons:

1) it keeps in check what type of data you share with people outside your privacy or 'friend list'. This helps in keeping in check over that your personal moments are not shared with someone, with whom you don't want to share it.

2) it also is important to keep an eye on the data sharing with the host site or with someone who is not authorised to share that data. This will help you secure your personal data from hackers.