generate questions: The iPod is a line of portable media players and multi-purpose pocket computers designed and marketed by Apple Inc. The first line was released on October 23, 2001, about 8½ months after iTunes (Macintosh version) was released. The most recent iPod redesigns were announced on July 15, 2015. There are three current versions of the iPod: the ultra-compact iPod Shuffle, the compact iPod Nano and the touchscreen iPod Touch.
Which company produces the iPod? {sep_token} When was the original iPod released? {sep_token} How many different types of iPod are currently available? {sep_token} What kind of device is the iPod? {sep_token} The iPod Touch uses what kind of interface? {sep_token} In what year was the first iPod released? {sep_token} What company manufactures the iPod? {sep_token} How many versions of the iPod currently exist? {sep_token} Which is the smallest version of the iPod? {sep_token} In what year was the iPod most recently redesigned?