A tag-along microsensor device comprises a means for transmitting a signal, adhesion means, and sensing means. In a preferred embodiment, a means for transmitting a signal includes a nano-antenna apparatus. Adhesion means may include mechanical, magnetic, or static electric adhesion means. Mechanical adhesion means may include a hook or barb, or a chemical adhesion means such as glue or other sticky chemical adhesive. Sensing means may include sensing of audio signals, accelerometers, gyros, or other sensors.