Those who would wish to harm children can prey on those in chat rooms who appear to be left out or lonely.
They can pretend to be supportive and sympathetic in order to gain the trust of the young person by being willing to "listen" to their problems and provide friendship.
Consequently, there are sites that: There are also bomb making sites and millions of pornographic sites.
They say the software - called Child Defence - enables children to scan webchat on their mobile phones to check the age of people they are messaging.
The software uses the latest advances in language analysis technology to identify language quirks peculiar to different age groups.
What's your opinion on teens getting involved in social networking and online chat rooms?
I've read some of the teen conversations on the sites my daughter wants to visit, and they seem relatively harmless. While the Internet can be a wonderful educational and communication tool, it can also be a dangerous place for unsuspecting young teens.
You enter a chat room, strike up a conversation with someone, and before you know it, you have made a new friend.
You need to remember that people can pretend to be whoever they want to be online.
We've all heard horror stories about teens and pre-teens being abducted and raped by sexual predators whom they met online.
Bottom line: as parents, it's our responsibility to protect our children from the many risks they face in today's toxic culture.
Some websites are offensive and threatening because of their content.