The Effects of MP3 on me in Modern Life(2nd)

The MP3 has made my lives more convenient because
I can listen to the music in anytime and anywhere .
The advantages of a MP3:
First , if I want to listen to the music , I do not need a CD player .
For example , if I wanted to listen to music only on some place before , now I can listen to it in everywhere.
Second , it can treat a USB when I need to save something .
For example , if I have to print or output homework , I can use to it .
Third, it is very ethereal and easy to carry .
For example , if I have a disquisition to account , I can use it to save my powerpoint in everywhere .
Fourth , it is very cheap and everyone can easy to get it .
Finally , it is to benefit everyone for the invention of MP3 .
MP3 continuous innovation and already has MP4 now .
So MP3 is not only displaces the CD player but also let me listen to the music in anywhere and anytime .