10. Thou shalt not abuse "friends" with MLM/home business sales.
9. Don't use your social networks as a confessional.
8. Don't lie.
7. Don't be a troll.
6. Don't steal another person's name with any "fake" accounts.
5. Take a sabbath break from the Internet.
4. Don't make an idol out of a celebrity (or your fans/followers a la @ladygaga).
3. Show some love. RT once in a while.
2. Don't be online "friends" with people who can screw up your marriage.
1. Use an internal filter. Think before posting things that will embarrass God, you, your family, or your friends.