Nowadays, the electronic devices act a important roll in our daily life. It becomes our assistance, our friend and maybe our enemy. I am really interesting in electronic devices and want to do some deep research because my family members and some of my classmate are suffer from their mobile phones&computers and they go to sleep really late. I want to find the right way to use the electronic devices so that we can use the advantages and don’t get a bad influence by it.

With the development of the economy and the progress of science and technology, the electronic products are popularized in the people 's production and life, which brings great convenience to the people 's production and life. The popularity of electronic products has made people use the way of letters to become more convenient ways of communication through mobile phone, telephone or even Internet chat software.
You can make use of the network to negotiate business and file the transmission. Distant relatives and friends can also chat by video, and narrow the distance between them. Nowadays the change is due to the progress of science and technology, the popularization and intelligence of electronic products, making people communicate with each other more smoothly and quickly.
The application and popularization of computer network is to shrink the whole world into a small display screen. The world is at your fingertips, and the content it spreads is varied and instant, and China 's real-time profile is very