Hello, I'm writing a essay. This is my introduction of essay. The topic is negative impact of smartphone.

Can you read introduction, and fix it ( grammar, sentence,) more better to look academic essay? Also please check my thesis statement I need to 3 point parallel thesis .

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( Introduction)

Have you ever used a smartphone? Nowadays, almost everyone has a smartphone. It is hard to find people who does not have a smartphone. Smartphone is a small device that carry out a lot of task. It means smartphones are equipped with high technology. Such as camera, internet, and mp3 player. For example, we can take pictures using smartphones, can make a payment. Because of these convenient functions, many people bought it. According to survey, 86 percent of Canadians have smartphone. It means, 31 million people are using smartphone. However, as demand for smartphones increases, the side effects of smartphones are growing. Unfortunately, the smartphone is double edged sword. Using smartphone demands careful time management, health management, and financial management in the area of life time because huge amounts of researches and new reports warn of the harmful of smartphones.