It can be very complicated, as I found out when I took my first steps down this path.
Are you fed up of all those cam sites offering promises of free sex and nudity, only to discover that those promises were completely misleading and false?
If you are a first time user, the way it works is you are connected randomly with another person for a 1-on-1 cam 2 cam live video stream chat session.
At any point during each session you can simply press the "next" button to skip to another new person.
The above quote, taken from the W3C website, is one of the reasons for this site.
Whilst I agree that it is a mechanism for adding style to web documents, I do not agree that it is a SIMPLE mechanism.