Most people think online visibility is about profiles. In reality, it is about mentions.
Your name, image, username, or contact details appear online because they are referenced, copied, indexed, and republished across platforms. Social networks, websites, directories, news articles, and people search databases all contribute to whether someone can find you.
When personal information shows up in search results, it is rarely because of a single post. It is usually because many systems have detected, stored, and redistributed that reference.
If you want to understand how names and identities are discovered in the first place, start with our complete guide to user search across social platforms
Facebook is constantly updating its inteface and settings configuration, so most of the How-To tutorials published in the various blogs are invalid now.
Previously, we published 
If your Facebook page has at least 400 Likes, then you have a new opportunity for Facebook advertising – Promoted posts.
As in any social network, Facebook is full of people who are not completely familiar with the privacy settings. If a person is engaged in serious business, and uses the Facebook page to attract customers, then open page is good, however, if the personal page is open to the public, it can lead to some problems, including hacking the page.
Marketers introduce five methods to engage Facebook fans in communication process:
