Chapter1 of the textbook
I have my doubts about the statement that 67% of the world’s population uses mobile devices. I felt doubtful because this percentage was very high. There are a lot of children and older people all over the world. Basically, I think too young people and too old people tend not to use their phone. In addition to this, there are many poor people including those who live below the poverty line. Given these two things, I would like to say that the actual percentage should be lower than the statement in the textbook. That statement might exclude such kinds of people though. By the way, I looked at the screen time of my smartphone. I spent 6 hours for the use of phone on daily average last week. While the average worldwide is 2 hours and 29 min, mine was 3 hours 5 min per day. I often tend to spend more time on social media such as Instagram, Twitter, TikTok and so on. Sometimes it helps me get information from around me to worldwide. However, I usually watch TikTok or reels on Instagram la...