Live video streaming from your camcorder, computer or phone is easy and free. Just sign up for one of these live video streaming services and you're ready to start broadcasting.
Qik offers live video streaming from your mobile phone. The Qik app is easy to use, and comes in free and paid versions. Videos stream live through the Qik web site, but can also be saved and pushed out through social media sites like Facebook and YouTube.
Ustream is a live streaming video site desinged for professional, premium content. Ustream is free, though, so anyone can use it to live stream their videos. There is a Ustream mobile app for live streaming from your phone, and a desktop "producer" app which lets you add titles and multiple camera angles to your live video stream.
Justin.tv offers live video streaming in a social setting. You can chat and interact with other users while broadcasting live. Justin.tv also offers a mobile app for live streaming from your phone.