While the iPod touch was outsold by the iPhone, it was still highly successful – Apple celebrated 100 million units sold in mind 2013. Naturally, Android makers wanted to have their own iPod touch.

The iPod revolutionized how we listen to music, and it evolved greatly during its relatively brief history. Here is the most complete story of the technology.

The iPod touch cost $300 for 8GB, $400 for 16GB and $500 for 32GB. At launch a 4GB iPhone cost $500, the 8GB one was $600 – and that was with a 2-year AT&T contract.

The iPod Turns 20! See Every Iteration Through the Years Scroll down memory lane to see the how everyone's favorite music player has evolved since 2001 ...

The leading do-it-all media player offers a compelling combination of features and price at $229, as long as you're comfortable with just 16GB of storage.

The Apple iPod Touch has a sexy design and features integrated WiFi so you can browse the web and by music online.

Apple improves the 2nd generation Touch to near-perfection with extra features and 16GB of storage.

The iPod as we know if doesn't really exist anymore, which is a massive shame. Luckily though, there are plenty of great replacements out there.

The iPod touch -- the last iPod standing -- will come in two options: a 32GB version ($199) and a 128GB option ($299). Previously, Apple also offered storage capacities of 16GB and 64GB.

Three years after discontinuing the iPod classic, Apple is finally doing the same to its lower-end brethren, the shuffle and nano.

Apple has long maintained that the iPhone, iPad, and iPod touch would ultimately cannibalize its traditional music player hardware. The iconic iPod classic was discontinued in 2014.