There are just over 7 billion people in the world. 4.5 billion people in the world have toilets. 6 billion people have mobile deviced.
The average person spends 4.7 hours per day on their smart phone, or 1/3 of their waking hours.
Looking at your phone that long is equivalent to having an 8 year old child sitting on your neck all day
Myopia in the 1970s effected 25% of people in the USA. It’s 50% now.
In some Asian countries it’s up to 85%
Science: Playing video games
Are they all bad?
What are smart phones doing to you?
The importance of taking a smart phone vacation