HTML5 is a new technology that modern browsers support for doing things like audio recording and audio playback. Poodll will use HTML5 for audio and video recording when it can. Though the specifications for HTML5 are very clear, browsers implement them independently and support for certain features is patchy across the browser landscape. One of the thorniest areas has been audio and video recording. But Poodll has you covered. If you can not record with HTML5, Poodll will provide an altenative way to record your file.