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The most widely known WebRTC use cases today revolve around voice and video calling. WebRTC starts with unified communications and contact centers, but it can be used for any type of video calling. These calls could include telehealth or education use cases where a user needs to communicate with others. Another interesting WebRTC use case is an acting school enabling its students to rehearse online with more experienced actors.
Taking WebRTC capabilities and expanding them to every voice and video interaction between people is not really far-fetched.
Beyond voice and video calls, a couple lesser-known WebRTC use cases employ two other capabilities. Namely, users can access a computer or mobile device's camera and microphone for reasons other than calling, and they can send arbitrary data using the WebRTC data channel.
For example, a user could access the camera, snap a picture and upload it to an online profile. Additionally, users could record an online interview and upload it to an HR service, or sign in a person to an online profile biometrically.
The WebRTC data channel offers a low-latency transport medium that can be used for anything. A user can leverage the data channel to gain control of a local device through a smartphone's browser. The data channel also offers secure means of connecting one device to another without going through a service or server that both devices need to trust.
The sky's the limit to the types of WebRTC use cases that are possible. New ways to use WebRTC seem to pop up on a weekly basis.
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