I'm over thirty and I probably spend 12+h on screens every day. That's par for the course when you work "with computers". The rest is Kindle and my smartphone.

I'm over thirty and I probably spend 12+h on screens every day. That's par for the course when you work "with computers". The rest is Kindle and my smartphone. I can imagine, people who are heavily invested into social networks probably take it up to even 15h.