I find that setting boundaries is always one of the kindest things we can do for ourselves and the children we are responsible to parent. Obviously that is much easier said than done as we must realize and accept that children will ALWAYS test boundaries. If you typically give in after you've said no three times, you've trained them to persist four times.
I will admit that setting boundaries and sticking to them requires a lot of energy and can be exhausting. So I suggest picking your battles.
For those who are addicted to gaming would be hooked to Game Center for a while. However, after a while one might get bored of it and remove it. However, you must remember that Game Center enables in connecting to the gaming community and help you compete against one another on a leaderboard.
It is a good source of keeping in touch with likeminded gaming freaks and show off your skills of a good gamer to others as well. Rumors have it that Google is introducing updated tools to this app for expanding it as a snap chat for involving more users on a larger scale.
Additionally, more games are likely to be added to this app.
Explain to your teen that the consequences of sending pictures of themselves to others can be severe. Talk to them about all of the issues listed above. Ask them why they feel the need to expose their body to others. Get counseling if it is an issue of self esteem.

Parents need to be up to date on technology. The abilities of communication technologies has advanced at a breakneck speed. Parents need to be sure to understand what can and cannot be done with the technology in the home. Especially portable technology like laptops and cellphones, which are often employed to text or instant message (IM).

Supervision - As children grow up, supervision naturally decreases. While this teaches children responsibility, it can also be a stressful time for parents. Having a cell phone may be just the compromise you need.
There are numerous issues today in society involving cell phones and legal or moral issues. One such issue right now is the new trend called sexting which is where people send sexually provocative pictures or videos via text message. This issue can been thrust into the spotlight as media coverage grows over the suicide of Jesse Logan. Jesse Logan was 18 years old when she was found dead hanging in her bedroom due to the result of sexting.

A naked picture was spread around her school and the pressure caused her to take her own life.
Prevention of any harm that may come out of an online dating setup relies on how much information you divulge to your online friend. There are a lot of crimes like cyberstalking that has been going on in the country because a dating service user gives out confidential details about him.

Remember, no matter how convincing your friend may be, do not fall prey to these tactics. Cyberstalking is very dangerous and it may put you in a bad situation when everything about your life has been given out on the internet.
Twitter - Twitter for Iphone is now available from Apps store for free. Having this application on your phone makes it more accessible for you to Tweet everything that you want to express.
Foursquare is rapidly rising above the GPS based competition, such as Gowalla / Yelp. The difference is the user element being something of a game. Gain points for checking in to locations. The person who checks in to one location the most over sixty days becomes the "Mayor" of that location. At first, I thought "yeah, so what?", but this is where retailers / businesses can step in. By offering incentives / discounts to their most regular customers they are increasing their customers footfall.