Smartphone

Smartphones were invented in 1973 By the giant American inventor Martin Cooper.The smartphone is easy to navigate due to its small size and light.
It contains built-in personal information management software, such as an electronic calendar and address book, which are usually available in a digital personal assistant (PDA), and the smartphone has an operating system that enables the installation of other computer programs to be able to browse the web, e-mail, music, and video,etc.However the smartphone becomes more expensive every year the price is increases.In conclusion The advantages of the smartphone are so many and important to make life easier for us.