There are 3 key inventions which have changed our lifestyle.

There are three key inventions which have changed our lifestyle. First, the greatest invention is the smartphone. In the past, a mobile phone was only for talking with someone else but people cannot live without smartphones these days. Smartphones have become the navigation, telephone, computer and camera that we need most situations. Another key invention is an electronic car. As Oil reserves are diminishing people are finding out the other energy for driving. That’s why, Nowadays, petrol engine cars have been changing to electric cars. This is because electric cars are simpler than petrol engine cars and can be managed with lower cost. Also, autonomous driving, which is suitable for electric cars, has been developing. Lastly, AI robots are developing to work instead of people. In some industries, it is dangerous for people to work such as working in high buildings, near fires and lifting heavy things. In those areas, AI robots have been becoming the main worker. Consequently, smartphones, electric cars, AI robots make the world different from what it already is what it will become.