This limits access to sites containing words related to sex, drug use and other potentially offensive content. The downside is it also can limit access to useful sites such as news providers or libraries. Some programs block outgoing content, so your child can't transmit personal information.

Router controls.

Some wireless routers can be configured to limit access to the Internet, such as when you are away from home, or to block access to certain sites. Consult your owner's manual.

Cell phone monitoring.

Programs such as My Mobile Watchdog allow you to monitor your child's incoming and outgoing cell phone calls and texts.

Site monitoring.

A product like YouDiligence monitors your kids MySpace and Facebook pages and reports any inappropriate content back to you.

Distributed by McClatchy-Tribune Information Services.