WebM is generally preferred over Ogg Theora Vorbis when available, because it provides better compression to quality ratio and is supported by more browsers.
AirBeam turns your camera equipped iDevices into a flexible remote monitoring system. It streams live video and audio from the cameras and microphones of any number of iPhones, iPods or iPads. You can watch the stream on any other iDevice, Mac or a Web browser – even on multiple screens simultaneously - appologics.com 