Write a paragraph about the benefits of an invention that you find useful in your life. In your paragraph, there should be one topic sentence, main ideas, supporting ideas and a concluding sentence.

It’s undeniable that Smartphone brings about some huge advantages for users. First of all, smartphone is a typical type of entertainment including music, films, games,… with such a small device, connected to Internet, we can access to a wide variety of recreations. Besides, smartphone is useful for students and teachers. Internet is a huge source of data and smartphone is the thing that can access to internet, which means you can access to those documents in your hands without paying too much or going too far. Students can have online lessons or references downloaded, which expands their knowledge and makes them study better. In the past, paper books are the main source of information, however, nowadays, smartphone replace the enormous libraries and also reduce the cost for maintenance. Smartphone is also portable, you can bring it anywhere and use it any time you want. Being small in size, it can be put in your pocket, your bag or your briefcase. In conclusion, Smartphone has lot of benefits and people should take advantages of it instead of misusing it.