Although the marketing hype suggests you can build a 'Skype in a browser' in an afternoon, it doesn't really tell you how. Or where the problems will occur. This talk will cover both the client and server-side code necessary. Targeted at developers of all levels who are unfamiliar with webRTC, it will provide a better understand of how WebRTC applications work under the hood, what the API provides, and serve as a guide as to what is (and what is not) possible for the developers to deliver.