Web cams and chat rooms are now familiar expressions in the internet world, but just like anything else, you must beware, especially if you have curious kids. There are many free chat websites people can look for, be it for adults wanting to discuss politics, teenagers looking for friends, or old people discussing the old days.
Teen chat rooms are very popular, even though they see each other at school all day, they still seem to have things to say to each other on these chat rooms. Just make sure you keep an eye on what's being said, and shown, by your kids. Many of them will have a live cam and there are stories regarding those web cams that warrant the need for close supervision on the part of parents. An adult cam website will be for adults only, where they will be able to chat and see each other at the same time.
There are also gay chat websites for those who want to meet people of the same gender. AOL chat is quite popular with a vast array of people around the world. You might want to check it out.