Dos and Don’ts in Sending SMS
1. Avoid participating in text games endorsed by television stations. These games are forms of gambling. (See article on text gambling.)
2. Don’t pass text messages that ruin other people’s reputation.
3. Don’t invade the privacy of other people who ask that they be left alone.
4. Delicate information about bomb threat, fire or any disaster should be handled with extreme caution.
5. Avoid using vulgar terms or sending messages that are malicious in nature.
6. Observe courtesy when responding to a texter who had sent his message by mistake to your number.
7. As much as possible, avoid texting while in a conversation with real people.
8. Unless in case of emergency, don’t send text messages past midnight when people are asleep.
9. Jokes should always entertain and inspire, not upset or put people down.
10. Texting spiritual truths is greatly encouraged.
Healthy Texting
1. Subscribe to a network, which is also used by your friends, relatives, officemates and text mates. This way, you could save a lot of money.
2. Texting a person who just sits beside you is not advisable.
3. Avoid texting while driving. If you cannot help it, avoid driving while texting.
4. As a matter of caution, texting near gas stations is discouraged.
5. Sending the same messages repeatedly to one person can be irritating to the receiver at times.
6. Turn off your mobile phones while in chapel, classroom, hospital, library, theater, airplane, golf course or beside your friend who needs your full attention.
7. Don’t flaunt your mobile phones in public so as not to get the attention of robbers or thieves.
8. As much as possible, have your mobile phones insured.
9. Before putting it in your pocket, lock the keypad of the mobile phone to avoid making unwanted calls.
10. Don’t drink alcoholic beverages, take drugs or engage in gambling while texting or not.
source: http://www.txtmania.com/messages/guides.php