Being one of the greatest inventions of the 20th century is absolutely the phone era. Human in this generation was born with a cell phone. We cannot imagine life without a phone. It is the inventions that produced and developed by high technology and complicated system.

In the past, the phone is only used for contact with each other when the speakers are far apart. It is large and cannot dislocate. We call it "Telephone". Alexander Graham Bell was the first inventor who invented the telephone. It was the first device in history that enabled people to talk directly with each other across large distances.

In a few years, human developed the telephone into a cell phone. The cell phone can bring with the speaker and carry easily. In the beginning, cell phone only uses for calling and messages, some cell phone can play the radio or game, but every function is not stable enough. The signal was bad and paya lots of service charge.

Nowadays, the phone was developed into the multi-purpose device. Mobile phone becomes an essential part of our lives. It can take pictures, videos and recording. Phone connected with the internet and social media such as Facebook, Line, Twitter, and Instagram. We can talk to many friends in a few seconds and also see each other faces like Facetime or Video call. Lives are available on Facebook, so now you can live your routine and your family or friends can watch and communicate with you. Phone make everything in our life is easy. The phone can act as a GPS forgiving direction if you are lost. Many mobile phones have an aplication thathelp us, for example, calculate calories per day, emergency services and connected with your bank so you can make your payment at your home or even on your bed.

The phone is not just important to society. They can change the lives of individuals. The phone is the high technology invention in our generation that facilitates our life and connected us to the world.