Ipod
Steve jobs invented the iPod in 2001 so that people could listen to music on the go. It's size and screen have changed over the years. Now you can play games on it. also you can call people on it.
9 versions came out before the current model. 1 fact about it is: Holds 300 million songs. Another fact about it is: Portable game player. Last fact about it is: more than 250,000 apps available.