"Say hello to the first high-fidelity iPod recorder with a removable microphone.
MicroMemo plugs right into your iPod’s Dock connector to capture memos, meetings, lectures, or any audio content directly into your iPod. A flexible, detachable mic captures audio, or you can use any other input device with a 3.5mm-plug. Playback is instant through the built-in speaker."
Now this will have be very useful of podlearning.