Most folks are very happy to be involved on Facebook, reuniting with old friends, keeping in touch with family, and even chatting with your best friend. I myself use it everyday to "snoop" into the lives of people i haven't seen in a while, just to stay connected. But there is a darker side to Facebook and it seems to be getting worst by the day.
All new apps that are out there, Yahoo News for example, entice you into what looks like an interesting story, but in order to view it you must allow it to post for you that you viewed the material.
To me that is the complete opposite of what Facebook is for - sharing, if you want to, information to your friends. Now with just a click of your mouse, almost everything you see, read or play (games) is automatically posted to your friends wall for all to see. Maybe I wanted to read an article, but not share it? Too bad its posted.
One way to slow (not stop) postings on your behalf is to manage your apps. Apps need your permission to run and in your account settings you can delete that app to save yourself from automatic posting of material you were just curious about.
Stay sharp people, its lax judgement that allows apps and hackers to steal your info and post without your knowledge.
Simple discretion will save you from spamming your friends or possibly even embarrassing yourself.