The iPod is a portable media player designed and marketed by Apple Inc.. First introduced in 2001, it revolutionized how people listen to music by allowing users to store thousands of songs in a compact device. The iPod features a simple interface and has undergone several design changes over the years, including the introduction of the iPod Touch, which offers touchscreen capabilities and access to apps. Over its lifespan, the iPod has seen various models, including the iPod Shuffle, iPod Nano, and iPod Classic. While the popularity of the iPod has declined with the rise of smartphones, it remains an iconic product that significantly impacted the music industry and digital media consumption.