The built-in microphone of smartphones can be used to record audio and then upload that audio file to an online Blog or other web 2.0 site that supports audio.
Most web 2 sites support the uploading on audio files in either mp3 or .wav formats. Some support a popular mobile audio format, .amr .
PODCasting is a popular form of audio recording that has an associated RSS feed for subscribing to new audio recordings. Students could record themselves
reflecting or reporting on their progress in an assignment or project, or they could record an interview with an expert in the field etc...
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