Originally released in October 2001, the 1st Generation iPod offered users a revolutionary click wheel interface and unmatched 5 GB and 10Gb hard drive options. It single handedly turned around Apple's fledging fortunes alongside it also rejuvenated the music business
By its 3rd generation the iPod now featured a colored display, a slimmer design and could hold up-to 40GB of music
The iPod Mini was basically a lighter variant of the iPod Classic, which was first, introduced in 2004. It featured a slimmer design and also introduced 4GB of flash based memory
The iPod Mini by 2005 was in its second generation which now offered users enhanced battery life and upto 6GB of flash based memory
First shown off in 2005, the iPod Shuffle was pitched as the budget, iPod. It came without a display and featured 512MB and 1GB of Flash based memory
By 2007 the original iPod was now in its 6th generation. It offered the same simplistic design as the original but now offered upto 160GB of memory and became the first iPod that could play video
The iPod Touch was released along side the now original iPhone, and was the first widescreen iPod featuring multitouch controls. It could play video and featured Apple's coverflow album art technology
In 2005, the iPod Nano was touted as the replacement for the iPod Mini. It became the slimmest iPod at the time and offered upto 1GB of flash based memory
Apple announced in 2010 the iPod nano had become the most popular iPod and now featured multitouch controls. In 2011 Apple added a new clock functionality enabling people to wear it as a wrist watch
In 2010 alongside the iPhone 4, Steve Jobs unveiled the iPod Touch which now featured a super slim design, a retina display which the company had heralded on the iPhone 4 and a HD camera