Yes
To communicate between a PC with a webcam and Macs using iChat you will need to get a free AIM name. You can then configure your AIM account to connect with iChat sessions. (See links below)
Yes they are. They provide an easy and stress free way to communicate globally for free from the comfort of your own house if you wish or on the move.
Yes! Stardoll is a site to communicate with friends! Please feel free to put another answer! Thanks!
A webcam will sometimes be be offered free as a bundle with other purchases as a promotion. Otherwise, webcam software, content and chats are widely available for free, but typically not the webcam itself.
Camvoice.com is a well frequented free webcam based chat website, I've found many friends there
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There are many social benefits of downloading and using Free Voyeur Cam. You can call friends through a wifi connection and chat with them for free as long as you have a webcam to do so.
Omegle
Just install webcam software, these applications always provide free webcam effects, such as Magic Camera. You can download it from http://shiningmorning.com.
I recommend trying 6rounds.com, it's a totally free webcam video chat website with a very fun approach for doing stuff with friends and new people from around the world.
Adult Chat Rooms. Free for Adults: Go to MyFreeCams, the #1 adult webcam community! You can watch hundreds of guys on webcam and chat with them for free.
Just use your webcam! There's nothing to it, it's totally free.