Sometimes cutesy can also be cool. Switch Easy ThumbTacks are micro-microphones for iPod nano 4G and touch 2G. Available in black, white or red, the tiny mic has a high quality gold-plated plug that also works with 3rd party apps. Push the ThumbTack into your 3.5mm headphone jack and it automatically becomes a voice recorder that can be used in a meeting, at school, or when trying to bootleg a concert. Each is available for $12.99.