This feature on Facebook make the tags on my profile much more. Sometime they insert or tag many kind of picture or tags a picture many times on my profile. This action seem make politeness behavior of friends mostly. Their act want that their picture or their product will more famous, so they tags their picture on other's profile or friends profile.
Adding friend indeed good for our friendship and we can promote our product on other's profile or friends profile automatically. More friend we have then more people will read our comment or advertising on internet, this is the main concept of facebook. Unfortunately this facility is not addressed wisely, so we often get many kind of advertising on our profile and many kind of picture that sometime sexy pictures even nude picture on our profile.
Many people that use facebook also layman so they can't use, limited or remove this picture from their profile. The unwise use this facility can have bad effect to others, Affect their mental and can change their behavior even deceive them online. So that is why often heard bad news, victim cause of facebook communication.
