VoiceThread is a web-based application that allows you to place collections of media like images, videos, documents, and presentations at the center of an asynchronous conversation. A VoiceThread allows people to have conversations and to make comments using any mix of text, a microphone, a web cam, a telephone, or uploaded audio file. VoiceThread runs inside your web browser, so there is no software to download, install, or update.
Test drive VoiceThread Click on comment, then create a free log to progress: