How to buy a ipod? First-generation iPod were released in November 2001. Second-generation iPod were the first to have a touch-sensitive. Third-generation iPod touch-sensitive released in 2003 Fourth-generation iPod touch Product Features: It has 8 GB capacity for about 2,000 songs, 10,000 photos, or 10 hours of video It has up to 40 hours of audio playback or 7 hours of video playback on a single charge Support for AAC, Protected AAC (iTunes Store) and other audio formats, H.264, MPEG-4 It has one-year limited warranty iPod touch has 8 GB capacity for about 2,000 songs, 10,000 photos, or 10 hours of video. iPod: Full-size iPods have a large hard drive (30GB or 80GB), a photo slide show feature, and the ability to play video, games, and music. It’s a good choice for serious audiophiles, fans of mobile video, and people who aren't worried about size or who want a lot of bang for their buck. iPod nano: iPod nano offers a color screen, 4GB or 8GB of storage, and a portable, pocket-sized profile. It uses flash memory (no hard-drive components that might jiggle and break during high-intensity activity), making it a good choice for athletes and exercise enthusiasts. iPod nano is also favored by music lovers, commuters, and students. iPod shuffle: Fitness-lovers, athletes, commuters, the budget conscious, and minimalists love the miniscule iPod shuffle. It clips onto clothing, has a long battery life, holds about 240 songs, and sports 1GB of flash memory storage.