New Zealand’s OneNews has filed this brief but useful report on managing your reputation when using social media. They say
Throw away comments can quickly become problematic. People regard social media as a private conversation, but it never is private, regardless of what your settings are. The capacity to repost is always there.
They continue that people who post comments threatening violence when responding to a post that is upsetting can be unlawful. Although relating to the laws of New Zealand, there are some good pointers for everyone. View the 4 minute report here.