As a matter of fact, the teenagers like chatting over email because it gives them the closest alternative to talking on phone.
And in the forefront of these evolved video chats is CooMeet.
It's 100% free, safe and best of all, registration is not required! Moderation of participants and timely sanctions for each violation were the solution to the problems found on similar services.
To get a reply in the first place from a user on other end seemed to make some users struggle.