How The iPod Shook The World (Infographic)
By: Karan Goel | 11th May 2010
In the late ’90s and early aughts, MP3 players were known, well, as MP3 players. However, when Apple launched the iPod on October 21, 2001, it was such a huge success that it only took a couple of years for most people to simply start using the name “iPod” whenever they referred to an MP3 player.
Apple had sold 125,000 iPods by the end of 2001; it sold a flabbergasting 225 million by 2010. Coupled with the music management/online music store one-two punch that was iTunes, the iPod turned out to be one of the most successful gadgets of all time.
In an incredible infographic, you can see how the iPod and iTunes shook the entire Music industry.

[Source: Online MBA for Mashable]