Sending Hint to Email receiver

Sending Message: (Email contents below)

"Please be mindful and learn about your privacy settings. Not all messages are meant for everybody"

Hints are not intended to offend or cause negativity, it's a positive signal from somebody who cares.
Social networking sites revolutionized the way how friends and family keep in touch. But like all other inventions, good things comes with rules and etiquette.
Following resources may help:

1. PC World - Facebook Etiquette: 10 Rules
2. Top 10 FaceBook Etiquettes
3. FaceBook Etiquettes 5 Dos and Don't
4. The FaceBook Commandments