As you may find many different people from different countries and regions that makes a circulation over the world between people.
So it becomes a roulette chat. And as an example chatroulette.com is a prototype for that also omegle.
There are many roulettechat sites like chatroulette, roulettechat, randomroulette, webcamroulette etc.
It's because of what it means as we told it above.
Best Free Roulette Chat Sites
Free roulette chat sites like Omegle and Camzap; meet strangers online by roulette chat sites and see people around your area.
Just see Free Webcam Chat Sites post to start.