Yes, they are but addicted. However, aren't the Spanish teenagers aren’t the only too people in the all world.
For the last * years, the teenagers have used their mobile phone more frequently much time. This have has happened since that smartphones appeared in on the market and their prices was were reduced. With those smartphones, it is possible to do doing many things. We can take good photos, we play many free games, we can talk with other people for hours without paying, we can see view new items online quickly of a fast way, and obtain consult much information easily. This has caused that the adolescents to use are all day using their mobile phones all day, which is a has problem.
When they are together, they prefer to be with their mobile phones that than instead of talking or enjoying doing fun funny things. They prefer to talk for using Whatsapp rather than with who they have at their side that or face to face.
They sometimes don't sometimes study in order to for be with this machine, and they eat while looking at their seeing the mobile phone.
Also, for many people, social networks are more important than anything in their lives. They publish all that they are doing.
Now Today, we don´t know how to enjoy the important moments, because we live at on the Internet and we take away carry our house lives in our the pocket.

This is a question of an exam that I have answered for practising English.

*A number or word that describes the number of years should go here. For example: “For the last few years” or “For the last 12 years”